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OBD-II Diagnostic Trouble Codes

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OBD-II Diagnostic Trouble Codes
(DTC's)
For OBD-II (OBD2) equipped General Motors (GMC, Chevrolet, Buick, Oldsmobile, Cadillac, Pontiac, Saturn) vehicles.

Identifying OBD II Equipped cars

All cars and light trucks built and sold in the United States after January 1, 1996 were required to be OBD-II equipped. In general, this means all 1996 model year cars and light trucks are compliant, even if built in late 1995. Some 1995 model year vehicles are also equipped with OBDII - although some pre-1996 OBD-II cars are not 100% compliant. Pre-OBD-II cars had connectors in various positions under the dashboard and under the hood. All OBD-II cars have a connector located in the passenger compartment easily accessible from the driver's seat.

Communications Protocols

GM cars and light trucks use SAE J1850 VPW (Variable Pulse Width Modulation). There are some variations among imports such as the Cadillac Catera, which is a German Opel derivative, the Catera uses the European ISO 9141 protocol.

Reading OBD II codes

A cable is plugged into the OBD-II J1962 connector and the other end is connected to a scan tool. A hand-held scan tool is usually limited to one OBD-II system type - there are three basic OBD-II protocols in use, each with minor variations on the communication pattern between the on-board diagnostic computer and the scan tool. In general, Chrysler products and all European and most Asian imports use ISO 9141 circuitry. GM cars and light trucks use SAE J1850 VPW (Variable Pulse Width Modulation), and Fords use SAE J1850 PWM (Pulse Width Modulation) for communication.

General Motors Driving Cycle

A complete driving cycle will perform diagnostics on all monitored systems and can usually be completed in less than fifteen minutes.

Performing a GM OBD-II Driving cycle:

Cold Start. In order to be classified as a cold start the engine coolant temperature must be below 122°F (50°C) and within 11°F (6°C) of the ambient air temperature at startup. Do not leave the key on prior to the cold start or the heated oxygen sensor diagnostic may not run.

Idle. The engine must be run for two and a half minutes with the air conditioner on and rear defroster on. The more electrical load you can apply the better. This will test the O2 heater, Passive Air, Purge "No Flow", Misfire and if closed loop is achieved, Fuel Trim.

Accelerate. Turn off the air conditioner and all the other loads and apply half throttle until 55mph (88km/hr) is reached. During this time the Misfire, Fuel Trim, and Purge Flow diagnostics will be performed.

Hold Steady Speed. Hold a steady speed of 55mph (88km/hr) for 3 minutes. During this time the O2 response, air Intrusive, EGR, Purge, Misfire, and Fuel Trim diagnostics will be performed.

Decelerate. Let off the accelerator pedal. Do not shift, touch the brake or clutch. It is important to let the vehicle coast along gradually slowing down to 20 mph (32km/hr). During this time the EGR, Purge and Fuel Trim diagnostics will be performed.

Accelerate. Accelerate at 3/4 throttle until 55-60mph (88-96 km/hr). This will perform the same diagnostics as in step 3.

Hold Steady Speed. Hold a steady speed of 55mph (88km/hr) for five minutes. During this time, in addition to the diagnostics performed in step 4, the catalyst monitor diagnostics will be performed. If the catalyst is marginal or the battery has been disconnected, it may take 5 complete driving cycles to determine the state of the catalyst.

Decelerate. This will perform the same diagnostics as in step 5. Again, don't press the clutch or brakes or shift gears.

Disecting a DTC

How the Diagnostic Trouble Code is created: A DTC is made up of 5 digits. The chart below shows the composition of a DTC. With this information you can easily determine what system to trouble shoot without knowing the exact description of the code.

X X X X X
| | | |
| | | |
B Body ----------+ | | +-- Fault (00 to 99)
C Chassis -------+ | |
P Powertrain ----+ | |
U Network -------+ | +------ 1 Fuel & Air Metering
| +------ 2 Fuel & Air Metering (Injector)
| +------ 3 Ignition System or Misfire
0 SAE --------------+ +------ 4 Auxiliary Emission Controls
1 MFG --------------+ +------ 5 Vehicle Speed & Idle Control System
+------ 6 Computer Output Citcuit
+------ 7 Transmission
+------ 8 Transmission
+------ 9 Reserved
+------ 0 Reserved

Types of DTC's

There are two categories of DTC's that apply to OBD-II.



Type A

Emissions related.

Requests illumination of the MIL after one failed driving cycle.

Stores a freeze frame DTC after one failed driving cycle.

Type B

Emissions related.

Sets a Pending Trouble Code after one failed driving cycle.

Clears a Pending Trouble Code after one successful driving cycle.

Turns on the MIL after two consecutive failed driving cycles.

Stores a freeze frame after two consecutive failed driving cycles.

GM Diagnostic Trouble Code List

Manufacturer Codes:

DTC 01 General Sensor Fault
DTC 02 Instantaneous Battery Voltage Out of Range
DTC 03 Filtered Battery Voltage Out of Range
DTC 04 Compressor Relay Short to Ground/Open
DTC 05 Compressor Relay Short to Battery
DTC 06 Exhaust Valve Short to Ground/Open Circuit
DTC 07 Exhaust Valve Short to Battery
DTC 08 Warning Lamp Short to Ground/Open Circuit
DTC 09 Warning Lamp Short to Battery
DTC 10 Inside Air Temperature Sensor Voltage Low
DTC 10 Intake Accumulator Fault
DTC 11 Driver Seat Forward/Backward Motor Inop
DTC 11 Exhaust Accumulator Fault
DTC 11 Inside Air Temperature Sensor Open Circuit
DTC 11 Transponder Key Problem
DTC 12 Consecutive Intake Malfunction
DTC 12 Driver Seat Recliner Motor Inoperative
DTC 12 LH Air Outlet Sensor Voltage Low
DTC 12 Wrong Transponder Key
DTC 12 Diagnostic System Check (Escalade)
DTC 13 Driver Air Bag Deployment Loop Short to GND
DTC 13 Immobilizer Not Programmed
DTC 13 LH Air Outlet Sensor Open Circuit
DTC 14 Coolant Temp Voltage Low
DTC 14 Driver Pretens Deployment Loop Short to GND
DTC 14 No Transponder Key Programmed
DTC 14 RH Air Outlet Sensor Voltage Low
DTC 15 Driver Air Bag Deploy. Loop Short to V
DTC 15 RH Air Outlet Sensor Open Circuit
DTC 15 Vehicle Speed Signal Voltage Low
DTC 16 Driver Pretens Deploy Loop Short to Voltage
DTC 16 Driver Seat Front Height Motor Inoperative
DTC 16 Int Air Mix Door Mtr Volts Low/Open Circuit
DTC 16 Vehicle Speed Signal Voltage High
DTC 17 Driver Seat Rear Height Motor Inoperative
DTC 17 Interior Air Mix Door Motor Voltage High
DTC 17 No Engine Request Received
DTC 18 Driver Side Mirror Circuit
DTC 18 LH Air Mix Door Mtr Volts Low/Open Circuit
DTC 18 MIL Circuit
DTC 19 Inside Mirror Circuit
DTC 19 LH Air Mix Door Motor Voltage High
DTC 20 Passenger Side Mirror Circuit
DTC 20 RH Air Mix Door Mtr Volts Low/Open Circuit
DTC 21 Driver Seat Adjuster Switch Inoperative
DTC 21 No Speed Signal
DTC 21 RH Air Mix Door Motor Voltage High
DTC 21/31 Courtesy Lamps Feed Shorted to Ground (Escalade)
DTC 22 Floor Air Mix Dr Mtr Voltage Low/Open CKT
DTC 22 Solenoid Circuit Short to Ground/Open
DTC 22/32 Courtesy Lamps Return Shorted to Battery (Escalade)
DTC 23 Floor Air Mix Door Motor Voltage High
DTC 23 Pass. Air Bag Deployment Loop Short to GND
DTC 23 Power Steering Control Module Malfunction
DTC 23/33 RAP Feed Shorted to Ground or Battery (Escalade)
DTC 24 Def Air Mix Door Mtr Volts Low/Open Circuit
DTC 24 Pass. Pretens Deployment Loop Short to GND
DTC 24/34 Seatbelt Indicator Shorted to Ground or Battery (Escalade)
DTC 25 Defrost Air Mix Door Motor Voltage High
DTC 25 Pass. Air Bag Deploy. Loop Short to Voltage
DTC 25/35 Security Indicator Status (Escalade)
DTC 26 Pass. Pretens Deploy. Loop Short to Voltage
DTC 27 Blower Motor Voltage Low or Open Circuit
DTC 28 Air Circ. Valve Voltage Low or Open CKT
DTC 29 Air Circulation Valve Voltage High
DTC 30 Heating Cut-Off Valve Volts Low or Open CKT
DTC 31 Driver Air Bag Deploy. Loop Resistance High
DTC 31 Heating Cut-Off Valve Voltage High
DTC 32 Driver Air Bag Deploy. Loop Resistance Low
DTC 32 Rear Window Defog Signal Voltage Low
DTC 33 Pass. Air Bag Deploy. Loop Resistance High
DTC 33 Rear Window Defog Signal Voltage Open CKT
DTC 34 Pass. Air Bag Deploy. Loop Resistance Low
DTC 34 Rear Window Defogger Open Circuit
DTC 35 A/C Request Signal Voltage High
DTC 35 Driver Pretens Deploy. Loop Resistance High
DTC 36 A/C Request Signal Voltage Low
DTC 36 Driver Pretens Deploy. Loop Resistance Low
DTC 37 Heater and A/C Control Switch Stuck
DTC 37 Pass. Pretens Deploy. Loop Resistance High
DTC 38 Pass. Pretens Deploy. Loop Resistance Low
DTC 38 Solar/Twilight Sensor Supply Voltage Low
DTC 39 Solar/Twilight Sensor Supply Voltage High
DTC 40 Solar/Twilight Sensor GND Short to Voltage
DTC 41 Last Message Received Valid (Escalade)
DTC 42 Last Message Received Invalid (Escalade)
DTC 43 Last Message Received with Sumcheck Error (Escalade)
DTC 43 Warning Lamp Circuit Short to Voltage
DTC 44 Warning Lamp Circuit Open or Short to GND
DTC 44 Last Message Received with Encryption Error (Escalade)
DTC 45 Receiver Processing in 20 Second Lockout (Escalade)
DTC 50 Seat Adjuster Memory Module Malfunction
DTC 50, 51, or 55 Sunroof Actuator Malfunction
DTC 51 Replace Heater and A/C Control
DTC 51 Reprogram Cluster or Cluster Malfunction
DTC 52 Heater and A/C Control Not Programmed
DTC 52 Reprogram Cluster
DTC 52 SDM Not Configured
DTC 53 Configuration Mismatch
DTC 55 Internal SDM Failure
DTC 55 Replace Heater and A/C Control
DTC 55 Seat Adjuster Memory Module Malfunction
DTC 55 Theft Deterrent Module Malfunction
DTC 55 Begin Configuration Display (Escalade)
DTC 56 SDM Not Reusable
DTC 65 Passenger Air Bag Deployment Commanded
DTC 66 Driver Air Bag Deployment Commanded
DTC 67 Pretensioner Only Deployment Commanded
DTC 68 Driver Side Air Bag Deployment Commanded
DTC 69 Pass. Side Air Bag Deployment Commanded
DTC 71 Driver Side Impact Sensor Comms Invalid
DTC 73 Driver Side Impact Sensor Short to Voltage
DTC 74 Driver Side Impact Sensor Short to Ground
DTC 75 Driver Side Air Bag Short to Ground
DTC 76 Driver Side Air Bag Short to Voltage
DTC 77 Driver Side Air Bag Deploy Loop Resist High
DTC 78 Driver Side Air Bag Deploy Loop Resist. Low
DTC 81 Pass. Side Impact Sensor Comms Invalid
DTC 83 Pass. Side Impact Sensor Short to Voltage
DTC 84 Pass. Side Impact Sensor Short to Ground
DTC 85 Pass. Side Air Bag Short to Ground
DTC 86 Pass. Side Air Bag Short to Voltage
DTC 87 Pass. Side Air Bag Deploy. Loop Resist High
DTC 88 Pass. Side Air Bag Deploy. Loop Resist. Low
DTC 97 ONSTAR DCO Link Open or Short to Voltage
DTC 98 ONSTAR DCO Link Short to Ground
DTC 167 Fuel Gauge Voltage Low
DTC 168 Fuel Gauge Voltage High
DTC 169 Outside Temperature Sensor Voltage Low
DTC 171 Outside Temperature Sensor Open Circuit

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Body Codes:

DTC B0001 PCM Discrete Input Speed Signal Error
DTC B0004 PCM Discrete Input Speed Signal Not Present
DTC B0005 In Park Switch Circuit Malfunction
DTC B0016 RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Resistance Low
DTC B0017 RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Open
DTC B0018 RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Short to Ground/Voltage Out of Range
DTC B0022 LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Resistance Low
DTC B0024 LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Short to Ground/Voltage Out of Range
DTC B0026 LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Open
DTC B0028 RF/Passenger Side Deployment Loop Resistance Low
DTC B0029 RF/Passenger Side Deployment Loop Open
DTC B0030 RF/Passenger Side Deployment Loop Short to Ground/Voltage Out of Range
DTC B0035 ADS Closed/Shorted to Ground
DTC B0036 ADS Open/Missing/Shorted to Battery
DTC B0037 AUX switch closed/shorted to ground
DTC B0038 AUX switch open/shorted to battery
DTC B0040 LF/Driver Side Deployment Loop Resistance Low
DTC B0041 LF/Driver Side Deployment Loop Open
DTC B0045 LF Side Deploy Loop Short to Ground/Voltage Out of Range
DTC B0051 Deployment Commanded
DTC B0053 Deployment Commanded with Loop Malfunctions Present
DTC B0057 RF/Passenger Pretensioner Deployment Loop Resistance Low
DTC B0058 RF/Passenger Pretensioner Deployment Loop Open
DTC B0059 RF/Passenger Pretensioner Deployment Loop Short to Ground/Voltage Out of Range
DTC B0064 LF/Driver Pretensioner Deployment Loop Resistance Low
DTC B0065 LF/Driver Pretensioner Deployment Loop Open
DTC B0066 LF/Driver Pretensioner Deployment Loop Short to Ground/Voltage Out of Range
DTC B0073 Supplemental Deployment Loop #1 Resistance Low
DTC B0074 Supplemental Deployment Loop #1 Open
DTC B0075 Supplemental Deployment Loop #1 Short to Ground/Voltage Out of Range
DTC B0077 LF/Driver SIS Malfunction
DTC B0078 RF/Passenger SIS Malfunction
DTC B0079 Incorrect LF/Driver SIS Installed
DTC B0080 Discard LF/Driver SIS
DTC B0081 Incorrect RF/Passenger SIS Installed
DTC B0082 Discard RF/Passenger SIS
DTC B0086 Supplemental Deployment Loop #2 Resistance Low
DTC B0087 Supplemental Deployment Loop #2 Open
DTC B0088 Supplemental Deployment Loop #2 Short to Ground/Voltage Out of Range
DTC B0090 Active switch voltage out of range
DTC B0091 Active switch: wrong state
DTC B0092 PPS passenger detection error
DTC B0093 PPS/CPS self-test malfunction
DTC B0094 CPS childseat detection error
DTC B0095 SDM-PPS/CPS mismatch malfunction
DTC B0126 Right Panel Discharge Temperature Fault
DTC B0131 Right Heater Discharge Temperature Fault
DTC B0159 Outside Air Temperature Sensor Circuit Range/Performance
DTC B0164 Passenger Compartment Temperature Sensor #1 (Single Sensor or LH) Circuit Range/Performance
DTC B0169 In-car Temp Sensor Failure (passenger -not used)
DTC B0174 Output Air Temperature Sensor #1 (Upper; Single or LH) Circuit Range/Performance
DTC B0179 Output Air Temperature Sensor #2 (Lower; Single or LH) Circuit Range/Performance
DTC B0184 Solar Load Sensor #1 CKT Range
DTC B0189 Solar Load Sensor #2 CKT Range
DTC B0248 Mode Door Inoperative Error
DTC B0249 Heater/Defrost/AC Door Range Error
DTC B0268 A/I Door Inoperative Error
DTC B0269 Air Inlet Door Range Error
DTC B0408 Temperature Control #1 (Main/Front) Circuit Malfunction
DTC B0409 Air Mix Door #1 Range Error
DTC B0419 Air Mix Door #2 Range Error
DTC B0423 Air Mix Door #2 Inoperative Error
DTC B0428 Air Mix Door #3 Inoperative Error
DTC B0429 Temperature Control #3 Rear Circuit Range/Performance
DTC B0510 RH Panel Discharge Temp Sensor Failure
DTC B0515 RH Heater Discharge Temp Sensor Failure
DTC B0520 Rear Discharge Temp Sensor Failure
DTC B0530 Fuel Level Sensor Stuck
DTC B0532 Fuel Sensor Shorted To Ground
DTC B0533 Fuel Sensor Open/Shorted To B+
DTC B0688 Security System Indicator Circuit High
DTC B0768 Service Indicator Circuit High
DTC B0846 +5 Volt Reference Out of Range
DTC B0856 Battery 2 Out of Range
DTC B1000 ECU Malfunction

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DTC B1001 Option Configuration Error
DTC B1004 Keep Alive Memory (KAM)
DTC B1007 EEPROM Write Error
DTC B1009 EEPROM Checksum Error
DTC B1013 ROM Checksum Error
DTC B1014 Program ROM Checksum Error
DTC B1015 Passenger Deploy. Loop Resistance High
DTC B1016 Passenger Deployment Loop Resistance Low
DTC B1017 Passenger Deployment Loop Open
DTC B1018 Passenger Deployment Loop Short to GND
DTC B1019 Passenger Deploy. Loop Short to Voltage
DTC B1021 Driver Deployment Loop Resistance High
DTC B1022 Driver Deployment Loop Resistance Low
DTC B1024 Driver Deployment Loop Short to Ground
DTC B1025 Driver Deployment Loop Short to Voltage
DTC B1026 Driver Deployment Loop Open
DTC B1035 Discr. Sensor Closed or Short to GND
DTC B1036 Discr. Sensor Open or Short to Voltage
DTC B1051 Frontal Air Bag and Preten Deployment
DTC B1053 Deployment Commanded w/Loop Malfunction
DTC B1054 Infl Rst IP Module Switch CKT Failure
DTC B1061 Lamp Circuit Failure
DTC B1071 Internal SDM Failure
DTC B1115 Passenger Deploy. Loop Resistance High
DTC B1116 Passenger Deploy. Loop Resistance Low
DTC B1117 Passenger Deployment Loop Open
DTC B1121 Driver Deployment Loop Resistance High
DTC B1122 Driver Deployment Loop Resistance Low
DTC B1124 Driver/Pass. Deploy. Loop Short to GND
DTC B1125 Driver/Pass Deploy Loop Short to Voltage
DTC B1126 Driver Deployment Loop Open
DTC B1131 Pass. Pretensioner Loop Resistance High
DTC B1132 Pass. Pretensioner Loop Resistance Low
DTC B1134 Passenger Pretensioner Loop Open
DTC B1135 Discr. Sensor Closed or Short to GND
DTC B1136 Discr. Sensor Open or Short to Voltage
DTC B1141 Driver Pretensioner Loop Resistance High
DTC B1142 Driver Pretens. Deploy. Loop Res. Low
DTC B1144 Driver/Pass Pretens. Loop Short to GND
DTC B1145 Driver/Pass Pretens. Loop Short to Volt
DTC B1146 Driver Pretensioner Loop Open
DTC B1147 Driver Side Air Bag System Malfunction
DTC B1148 Pass. Side Air Bag System Malfunction
DTC B1151 Deployment Commanded - Frontal
DTC B1152 Data Area Full
DTC B1153 Deployment Commanded w/Loop Malfunction
DTC B1155 SDM Calibration Mismatch
DTC B1159 Loss of Serial Data-Key Not Received
DTC B1160 Loss of Serial Data - VIN Not Received
DTC B1161 Lamp Circuit Failure
DTC B1163 Loss of Serial Data-No Lamp Response
DTC B1171 Internal SDM Failure
DTC B1245 CD Changer Not Responding
DTC B1271 Theft Lock Enabled
DTC B1310 Ambient Air Temperature Sensor Failure
DTC B1311 Outside Air Temp Sensor Short Circuit
DTC B1312 High Side Temp Sensor Open Circuit
DTC B1313 High Side Temp Sensor Short Circuit
DTC B1314 Evaporator Inlet Temp Sensor Open CKT
DTC B1315 Evaporator Inlet Temp Sensor Short CKT
DTC B1316 In Car Temperature Sensor Open Circuit
DTC B1317 In Car Air Temperature Sensor
DTC B1318 LH Sun Load Sensor Fault
DTC B1319 Sunload Sensor Short Circuit
DTC B1321 A/C Low Side Temperature Sensor Fault
DTC B1324 A/C Refrigerant Overpressure
DTC B1327 Device Power Circuit Low
DTC B1328 Device Power Circuit High
DTC B1328 RH Sun Load Sensor Fault
DTC B1330 Left A/C Discharge Sensor Fault
DTC B1331 Right A/C Discharge Sensor Fault
DTC B1332 Left Heater Discharge Sensor Fault
DTC B1333 Right Heater Discharge Sensor Fault
DTC B1340 Air Mix Door One Movement Fault
DTC B1341 Air Mix Door Two Movement Fault
DTC B1343 Air Inlet Door Movement Fault
DTC B1344 HTR/DEF/AC Door Movement Fault
DTC B1347 Very Low A/C Refrigerant Warning
DTC B1348 Very Low A/C Refrigerant Pressure
DTC B1350 Engine Coolant Over-Temperature
DTC B1390 Device Voltage Reference Input CKT Malf
DTC B1396 Device Voltage Reference Output 1 Circuit Range Performance
DTC B1399 Loss of KDD Communications
DTC B1422 Device Power Moding Malfunction
DTC B1438 IPC High Voltage Output Overcurrent to IPM
DTC B1513 Charging System Volts Low
DTC B1514 Charging System Volts High
DTC B1552 Keep Alive Memory (KAM) Error
DTC B1556 IPC EEPROM Odo/Configuration Error
DTC B1557 EEPROM Calibration Error
DTC B1558 BCM EPROM Checksum Error
DTC B1586 Mirror Horiz. Pos Sensor-Out of Range/Open
DTC B1591 Mirror Vert. Pos Sensor-Out of Range/Open
DTC B1652 Loss of Keep Alive Memory (KAM)
DTC B1656 EEPROM Write Error
DTC B1658 EEPROM Checksum Error
DTC B1697 Mirror Switch Input Shorted to Ground
DTC B1698 Mirror Switch L Up Input Stuck High
DTC B1702 Mirror Switch Input Shorted to Ground
DTC B1703 Mirror Switch L Down Input Stuck High
DTC B1707 Mirror Switch Input Shorted to Ground
DTC B1708 Mirror Switch R Up Input Stuck High
DTC B1712 Mirror Switch Input Shorted to Ground
DTC B1713 Mirror Switch R Down Input Stuck High
DTC B1717 Mirror Power Fold Control Switch Shorted Low
DTC B1713 Mirror Switch R Down Input Stuck High
DTC B1718 Power Folding Mirror Switch Input Circuit High
DTC B1735 Driver Seat Front Up Switch CKT Malf
DTC B1740 Driver Seat Front Down Switch CKT Malf
DTC B1745 Driver Seat Rear Up Switch CKT Malf
DTC B1750 Driver Seat Rear Down Switch CKT Malf
DTC B1755 Driver Seat Asm Forward Switch CKT Malf
DTC B1760 Driver Seat Asm Rearward Switch CKT Malf
DTC B1760 CD Changer Not Responding
DTC B1780 Theft Lock Enabled
DTC B1805 Ignition Switch Problem
DTC B1815 Driver Recline Forward Switch CKT Malf
DTC B1820 Driver Recline Rearward Switch CKT Malf
DTC B1825 Driver Recline Sensor CKT Malfunction
DTC B1830 Driver Lumbar Forward Switch CKT Malf
DTC B1835 Driver Lumbar Rearward Switch CKT Malf
DTC B1840 Driver Lumbar Up Switch CKT Malf
DTC B1845 Driver Lumbar Down Switch CKT Malf
DTC B1850 Driver Lumbar Horiz Sensor CKT Malf
DTC B1860 Driver Lumbar Vert Sensor CKT Malf
DTC B1870 Driver Belt Tower Up Switch CKT Malf
DTC B1875 Driver Belt Tower Down Sw CKT Malf
DTC B1900 Driver Belt Tower Vert Sen CKT Malf
DTC B1910 Generator L-Terminal Open Circuit
DTC B1911 Generator L-Terminal Problem
DTC B1913 Heated Seat Switch - Mode Input Shorted to Battery
DTC B1918 Heated Seat Switch - Temperature Input Shorted to Battery
DTC B1970 Exterior Lamp Power
DTC B1971 Inadvertent Power
DTC B1972 Low Power Driver Fault
DTC B1973 High Power Control Fault
DTC B1981 Battery Voltage Low
DTC B1982 Device Power Circuit High
DTC B1983 Device Power Circuit Low
DTC B2101 Recline Aft Switch Failed

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DTC B2102 Recline Forward Switch Failed
DTC B2103 Rear Vertical Down Switch Failed
DTC B2104 Rear Vertical Up Switch Failed
DTC B2105 Horizontal Aft Switch Failed
DTC B2106 Horizontal Forward Switch Failed
DTC B2107 Front Vertical Down Switch Failed
DTC B2108 Front Vertical Up Switch Failed
DTC B2109 Lumbar Aft Switch Failed
DTC B2110 Lumbar Forward Switch Failed
DTC B2111 Lumbar Down Switch Failed
DTC B2112 Lumbar Up Switch Failed
DTC B2115 Recline Sensor Failed
DTC B2116 Rear Vertical Sensor Failed
DTC B2117 Horizontal Sensor Failed
DTC B2118 Front Vertical Sensor Failed
DTC B2119 Lumbar Forward/Aft Sensor Failed
DTC B2120 Lumbar Up/Down Sensor Failed
DTC B2130 Driver Memory 1 Select Switch Circuit Malfunction
DTC B2131 Driver Memory 2 Select Switch Circuit Malfunction
DTC B2132 Driver Memory Exit Exit/Off Switch Circuit Malfunction
DTC B2133 Driver Memory Set Switch Circuit Malfunction
DTC B2140 Mirror Up Control Switch Circuit Malfunction
DTC B2141 Mirror Down Control Switch Circuit Malfunction
DTC B2142 Mirror Left Control Switch Circuit Malfunction
DTC B2143 Mirror Right Control Switch Circuit Malfunction
DTC B2144 Left Front Mirror Vertical Position Sensor Circuit Low
DTC B2145 Left Front Mirror Vertical Position Sensor Circuit High
DTC B2146 Left Front Mirror Horizontal Position Sensor Circuit Low
DTC B2147 Left Front Mirror Horizontal Position Sensor Circuit High
DTC B2148 Right Front Mirror Vertical Position Sensor Circuit Low
DTC B2149 Right Front Mirror Vertical Position Sensor Circuit High
DTC B2150 Right Front Mirror Horizontal Position Sensor Circuit Low
DTC B2151 Right Front Mirror Horizontal Position Sensor Circuit High
DTC B2175 Tilt/Telescope Module Manual Switch Fail
DTC B2200 LF Window Switch Stuck in Up Position
DTC B2201 LF Window Switch Stuck in Down Position
DTC B2202 RF Window Switch Stuck in Up Position
DTC B2203 RF Window Switch Stuck in Down Position
DTC B2204 LR Window Switch Stuck in Up Position
DTC B2205 LR Window Switch Stuck in Down Position
DTC B2206 RR Window Switch Stuck in Up Position
DTC B2207 RR Window Switch Stuck in Down Position
DTC B2212 RF Switch on LF Door Stuck Up Position
DTC B2213 RF Switch on LF Door Stuck Down Position
DTC B2214 LR Switch on LF Door Stuck Up Position
DTC B2215 LR Switch on LF Door Stuck Down Position
DTC B2216 RR Switch on LF Door Stuck Up Position
DTC B2217 RR Switch on LF Door Stuck Down Position
DTC B2220 LF Door Lock/Unlock Switch Stuck in Lock
DTC B2221 LF Door Lock/Unlock Switch Stuck UnLock
DTC B2222 RF Door Lock/Unlock Switch Stuck in Lock
DTC B2223 RF Door Lock/Unlock Switch Stuck UnLock
DTC B2224 LR Door Lock/Unlock Switch Stuck in Lock
DTC B2226 RR Door Lock/Unlock Switch Stuck in Lock
DTC B2240 Memory 1 Switch Failed
DTC B2241 Memory 2 Switch Failed
DTC B2242 Memory Exit Switch Failed
DTC B2243 Memory Set Switch Failed
DTC B2310 Hand Set Failure
DTC B2311 TRU Failure
DTC B2312 Software Failure
DTC B2355 Driver Front Vertical Sensor Malf
DTC B2365 Driver Rear Vertical Sensor Malf
DTC B2375 Driver Seat Asm Horiz Sensor CKT Malf
DTC B2419 Twilight Photocell Circuit Problem
DTC B2420 Twilight Delay Pot Failure
DTC B2422 Interior Lamp Rheostat Failure
DTC B2460 Navigation Antenna Selector Circuit High Current
DTC B2461 Navigation ECU Synchronous Signal Error
DTC B2462 GPS Signal Error
DTC B2463 Navigation CD Player - No Disk
DTC B2464 Navigation CD Player - Decoding Error
DTC B2465 Navigation CD Player - Data Error
DTC B2466 Navigation VICS Memory Error
DTC B2468 Navigation Display Head (NDH) Malfunction
DTC B2470 Daytime Running Lamps Fault
DTC B2471 Interior Lamp Fault
DTC B2472 Low Beam Fault
DTC B2473 High Beam Fault
DTC B2474 Navigation Display Head (NDH) Back Lighting Malfunction
DTC B2475 Navigation Display Head (NDH) Auxiliary Input Malfunction
DTC B2476 Cellular Phone Select Service Switch Malfunction
DTC B2476 Parklamp Fault
DTC B2477 Reverse Lamp Relay Shorted to Ground
DTC B2478 Reverse Lamp Shorted to Battery
DTC B2502 Auto Trans Shift Lock Control Shorted to Ground
DTC B2503 Park Gear (Auto Trans Shift Lock Control) Relay Shorted to Batt
DTC B2510 Steering Wheel Controls HVAC Key Stuck
DTC B2511 Steering Wheel Controls Conv Key Stuck
DTC B2512 Strng Wheel Controls Illegal A/D Values
DTC B2515 Strg Whl Cont Illegal Resistance Value
DTC B2550 Storage Mode Entered
DTC B2556 Interior Lamp Rheostat Circuit Range
DTC B2560 RKE Message Validation Error
DTC B2641 Delayed Exterior Lighting Ctrl CKT Range
DTC B2646 Ambient Light Sensor Circuit Range
DTC B2710 PASSKey Open/Shorted Pellet
DTC B2711 PASSKey Open/Shorted Pellet After Good Key
DTC B2719 CTD-Trunk Tamper Switch Fault
DTC B2725 ATC Mode Switch Circuit Malfunction
DTC B2734 Coded Key Controller Memory Failure
DTC B2750 PASSKey Data Communication Failure
DTC B2757 Driver Memory 1 Select Switch CKT Low
DTC B2762 Driver Memory 2 Select Switch CKT Low
DTC B2767 Memory Set Switch Failed Low
DTC B2772 Driver Memory Exit Switch Circuit Low
DTC B2780 Wrong Resistor Before Good
DTC B2781 Wrong Resistor After Good
DTC B2782 PASSKey Pellet Resistance Not Programmed
DTC B2783 Key Code/Password Corrupted in Memory
DTC B2805 Steering Whl Controls HVAC Sw CKT Malf
DTC B2810 Steering Whl Ctrl Entertainment CKT Malf
DTC B2853 Telescope Forward Switch Circuit Malfunction
DTC B2858 Telescope Rearward Switch Circuit Malfunction
DTC B2860 Telescope Position Sensor Range
DTC B2862 Telescope Position Sensor Low
DTC B2873 Tilt Up Switch Circuit Malfunction
DTC B2878 Tilt Down Switch Circuit Malfunction
DTC B2880 Tilt Position Sensor Range
DTC B2882 Tilt Position Sensor Low
DTC B2891 Tilt/Telescope Motor Over Current
DTC B2904 Tilt/Telescope 4-way Position Switch Circuit Malfunction
DTC B2947 Security System Sensor Power CKT Low
DTC B2948 Security System Sensor Power CKT High
DTC B2955 Security System Sensor Data CKT Malf
DTC B2957 Security System Sensor Data Circuit Low
DTC B2958 Security System Sensor Data Circuit High
DTC B2960 Sec Sys Sensor Data Incorrect but Valid
DTC B3028 Starter Relay Interface Short to Ground
DTC B3029 Starter Relay Interface Open/Short to B+
DTC B3031 Key Decoder Device in Assem Learn Mode
DTC B3033 Security System Indicates Tamper
DTC B3055 Key Not Present
DTC B3069 RF/LF Door Key Unlock Circuit Low
DTC B3108 Transmitter Synchronization Failure
DTC B3142 LF Unlock Switch Circuit Low
DTC B3147 Passenger Unlock Switch Circuit Low
DTC B3152 LF Lock Switch Circuit Low
DTC B3157 Passenger Lock Switch Circuit Low
DTC B3172 Window Up Switch Circuit Low
DTC B3177 Window Down Switch Circuit Low
DTC B3203 Rear Window Lockout Switch Input Circuit High
DTC B3282 Window Switch-Express Input Shorted to Ground
DTC B3287 LR Window Switch Express Down Circuit Low
DTC B3292 RR Window Switch Express Down Circuit Low
DTC B3282 Window Switch-Express Input Shorted to Ground
DTC B3377 LF Window Up Switch Circuit Low
DTC B3382 LF Window Down Switch Circuit Low
DTC B3387 RF Window Up Switch Circuit Low
DTC B3392 RF Window Down Switch Circuit Low
DTC B3397 LR Window Up Switch Circuit Low
DTC B3452 LR Window Down Switch Circuit Low
DTC B3457 RR Window Up Switch Circuit Low
DTC B3462 RR Window Down Switch Circuit Low
DTC B3467 LF Window Express Down Circuit Low
DTC B3472 RF Window Express Down Circuit Low
DTC B3477 LR Window Express Down Circuit Low
DTC B3482 RR Window Express Down Circuit Low
DTC B3517 LR Door Sw Express Up/Down Window Contact Shorted to GND
DTC B3522 RR Door Sw Express Up/Down Window Contact Shorted to GND
DTC B3527 Window Lockout Switch Circuit Low
DTC B3793 Memory Seat Module Over Current

newmedia:
Chassis Codes:

DTC C0000 Vehicle Speed Information Circuit Malfunction
DTC C0035 LF Wheel Speed Circuit Malfunction
DTC C0040 RF Wheel Speed Circuit Malfunction
DTC C0045 LR Wheel Speed Circuit Malfunction
DTC C0050 RR Wheel Speed Circuit Malfunction
DTC C0060 LF ABS Solenoid #1 Circuit Malfunction
DTC C0065 LF ABS Solenoid #2 Circuit Malfunction
DTC C0070 RF ABS Solenoid #1 Circuit Malfunction
DTC C0075 RF ABS Solenoid #2 Circuit Malfunction
DTC C0080 LR ABS Solenoid #1 Circuit Malfunction
DTC C0085 LR ABS Solenoid #2 Circuit Malfunction
DTC C0090 RR ABS Solenoid #1 Circuit Malfunction
DTC C0095 RR ABS Solenoid #2 Circuit Malfunction
DTC C0110 Pump Motor Circuit Malfunction
DTC C0121 Valve Relay Circuit Malfunction
DTC C0141 Left TCS Solenoid #1 Circuit Malfunction
DTC C0146 Left TCS Solenoid #2 Circuit Malfunction
DTC C0151 Right TCS Solenoid #1 CKT Malfunction
DTC C0156 Right TCS Solenoid #2 CKT Malfunction
DTC C0161 ABS/TCS Brake Switch Circuit Malfunction
DTC C0221 RF Wheel Speed Sensor Circuit Open
DTC C0222 RF Wheel Speed Signal Missing
DTC C0223 RF Wheel Speed Signal Erratic
DTC C0225 LF Wheel Speed Sensor Circuit Open
DTC C0226 LF Wheel Speed Signal Missing
DTC C0227 LF Wheel Speed Signal Erratic
DTC C0229 Drop Out of Front Wheel Speed Signals
DTC C0235 Rear Wheel Speed Signal Circuit Open
DTC C0236 Rear Wheel Speed Signal Circuit Missing
DTC C0237 Rear Wheel Speed Signal Erratic
DTC C0238 Wheel Speed Mismatch
DTC C0241-C0254 EBCM Control Valve Circuit
DTC C0245 Wheel Speed Sensor Frequency Error
DTC C0265 or C0266 EBCM Relay Circuit
DTC C0267 or C0268 Pump Motor Circuit Open/Shorted
DTC C0269 or C0274 Excessive Dump/Isolation Time
DTC C0271-C0273 EBCM Malfunction
DTC C0281 Brake Switch Circuit
DTC C0286 ABS Indicator Lamp Circuit Shorted to B+
DTC C0288 Brake Warning Lamp Circuit Shorted to B+
DTC C0300 Rear Speed Sensor Malfunction
DTC C0305 Front Speed Sensor Malfunction
DTC C0308 Motor A/B Circuit Low
DTC C0309 Motor A/B Circuit High
DTC C0310 Motor A/B Circuit Open
DTC C0315 Motor Ground Circuit Open
DTC C0323 T-Case Lock Circuit Low
DTC C0324 T-Case Lock Circuit High
DTC C0327 Encoder Circuit Malfunction
DTC C0357 Park Switch Circuit High
DTC C0362 4LO Discrete Output Circuit High
DTC C0367 Front Axle Control Circuit High
DTC C0374 General System Malfunction
DTC C0376 Front/Rear Shaft Speed Mismatch
DTC C0387 Unable to Perform Shift
DTC C0472 Steering Handwheel Speed Sensor Signal V Low
DTC C0473 Steering Handwheel Speed Sensor Signal V High
DTC C0495 EVO Tracking Error
DTC C0498 Steering Assist Control Actuator Feed Circuit Low
DTC C0499 Steering Assist Control Solenoid Feed Circuit High
DTC C0503 Steering Assist Control Solenoid Return Circuit Low
DTC C0504 Steering Assist Control Solenoid Return Circuit High
DTC C0550 ECU Malfunction
DTC C0559 EEPROM Checksum Error
DTC C0563 Calibration ROM Checksum Error
DTC C0577 Left Front Solenoid Circuit Low
DTC C0578 Left Front Solenoid Circuit High
DTC C0579 Left Front Solenoid Circuit Open
DTC C0582 Right Front Solenoid Circuit Low
DTC C0583 Right Front Solenoid Circuit High
DTC C0584 Right Front Solenoid Circuit Open
DTC C0587 Left Rear Solenoid Circuit Low
DTC C0588 Left Rear Solenoid Circuit High
DTC C0589 Left Rear Solenoid Circuit Open
DTC C0592 Right Rear Solenoid Circuit Low
DTC C0593 Right Rear Solenoid Circuit High
DTC C0594 Right Rear Solenoid Circuit Open
DTC C0611 VIN Information Error
DTC C0615 Left Front Position Sensor Malfunction
DTC C0620 Right Front Position Sensor Malfunction
DTC C0625 Left Rear Position Sensor Malfunction
DTC C0628 Level Control Position Sensor Circuit High
DTC C0630 Right Rear Position Sensor Malfunction
DTC C0635 Left Front Normal Force Circuit Malfunction
DTC C0638 Left Front Normal Force Circuit High
DTC C0640 Right Front Normal Force Circuit Malfunction
DTC C0643 Right Front Normal Force Circuit High
DTC C0655 Level Control Compressor Relay Malfunction
DTC C0657 Level Control Compressor Circuit Low
DTC C0658 Level Control Compressor Circuit High
DTC C0660 Level Control Exhaust Valve Circuit Malfunction
DTC C0662 Level Control Exhaust Valve Circuit Low
DTC C0663 Level Control Exhaust Valve Circuit High
DTC C0665 Chassis Pitch Signal Circuit
DTC C0690 Damper Control Relay Circuit Malfunction
DTC C0691 Damper Control Relay Circuit Range
DTC C0693 Damper Control Relay Circuit High
DTC C0695 Position Sensor Overcurrent (8 volt supply)
DTC C0696 Position Sensor Overcurrent (5 volt supply)
DTC C0710 Steering Position Signal Malfunction
DTC C0800 Device Power #1 Circuit Malfunction
DTC C0896 Device Voltage Range/Performance
DTC C1211 ABS Indicator Lamp Circuit Malfunction
DTC C1214 System Relay Contact or Coil Circuit Open
DTC C1217 Pump Motor Shorted to Ground
DTC C1218 Pump Motor Circuit Shorted to Voltage or Motor Ground Open
DTC C1221 LF Wheel Speed Sensor Input Signal is 0
DTC C1222 RF Wheel Speed Sensor Input Signal is 0
DTC C1223 LR Wheel Speed Sensor Input Signal is 0
DTC C1224 RR Wheel Speed Sensor Input Signal is 0
DTC C1225 LF Excessive Wheel Speed Variation
DTC C1226 RF Excessive Wheel Speed Variation
DTC C1227 LR Excessive Wheel Speed Variation
DTC C1228 RR Excessive Wheel Speed Variation
DTC C1232 LF Wheel Speed Circuit Open or Shorted
DTC C1233 RF Wheel Speed Circuit Open or Shorted
DTC C1234 LR Wheel Speed Circuit Open or Shorted
DTC C1235 RR Wheel Speed Circuit Open or Shorted
DTC C1236 Low System Supply Voltage
DTC C1237 High System Supply Voltage
DTC C1238 Brake Thermal Model Exceeded
DTC C1241 Variable Effort Steering Circuit Malfunction
DTC C1242 Pump Motor Circuit Open
DTC C1243 BPMV Pump Motor Stalled
DTC C1246 Brake Lining Wear Circuit Open
DTC C1248 EBCM Turned the Red Brake Warning Indicator On
DTC C1251 RSS Indicated Malfunction
DTC C1252 LF Normal Force Malfunction
DTC C1253 RF Normal Force Malfunction
DTC C1254 Abnormal Shutdown Detected
DTC C1255 EBCM Internal Malfunction
DTC C1256 EBCM Internal Malfunction
DTC C1261 LF Inlet Valve Solenoid Malfunction
DTC C1262 LF Outlet Valve Solenoid Malfunction
DTC C1263 RF Inlet Valve Solenoid Malfunction
DTC C1264 RF Outlet Valve Solenoid Malfunction
DTC C1265 LR Inlet Valve Solenoid Malfunction
DTC C1266 LR Outlet Valve Solenoid Malfunction
DTC C1267 RR Inlet Valve Solenoid Malfunction
DTC C1268 RR Outlet Valve Solenoid Malfunction
DTC C1271 LF TCS Master Cylinder Isolation Valve Malfunction
DTC C1272 LF TCS Prime Valve Malfunction
DTC C1273 RF TCS Master Cylinder Isolation Valve Malfunction
DTC C1274 RF TCS Prime Valve Malfunction
DTC C1276 Delivered Torque Signal Circuit Malfunction
DTC C1277 Requested Torque Signal Circuit Malfunction
DTC C1278 TCS Temporarily Inhibited By PCM
DTC C1281 VSES Sensors Uncorrelated
DTC C1282 Yaw Rate Sensor Bias Circuit Malfunction
DTC C1283 Excessive Time to Center Steering
DTC C1284 Lateral Accelerometer Sensor Bias Malfunction
DTC C1285 Lateral Accelerometer Sensor Circuit Malfunction
DTC C1286 Steering Sensor Bias Malfunction
DTC C1287 Steering Sensor Rate Malfunction
DTC C1288 Steering Sensor Circuit Malfunction
DTC C1291 Open Brake Lamp Switch Contacts During Deceleration
DTC C1293 Code C1291 Set in Previous Ignition Cycle
DTC C1294 Brake Lamp Switch Circuit Always Active
DTC C1295 Brake Lamp Switch Circuit Open
DTC C1297 PCM Indicated Brake Extended Travel Switch Failure
DTC C1298 PCM Class 2 Serial Data Link Malfunction
DTC C1326 Battery Out of Range
DTC C1650 RSS Control Module Fault
DTC C1658 RSS Control Module Calibration Fault
DTC C1710 LF Damper Actuator Short CKT to Battery
DTC C1711 LF Damper Actuator Short CKT to Ground
DTC C1712 LF Damper Actuator Open CKT
DTC C1715 RF Damper Actuator Short CKT to Battery
DTC C1716 RF Damper Actuator Short CKT to Ground
DTC C1717 RF Damper Actuator Open CKT
DTC C1720 LR Damper Actuator Short CKT to Battery
DTC C1721 LR Damper Actuator Short CKT to Ground
DTC C1722 LR Damper Actuator Open CKT
DTC C1725 RR Damper Actuator Short CKT to Battery
DTC C1726 RR Damper Actuator Short CKT to Ground
DTC C1727 RR Damper Actuator Open CKT
DTC C1735 Compressor Relay Short to Battery
DTC C1736 Compressor Relay Short to GND/Open CKT
DTC C1737 Exhaust Solenoid Valve Short to Battery
DTC C1738 Exhaust Solenoid Valve Short to GND
DTC C1743 Speed Signal Fault
DTC C1744 Lift/Dive Signal Discrete Fault
DTC C1760 LF Position Sensor Input Fault
DTC C1761 RF Position Sensor Input Fault
DTC C1762 LR Position Sensor Input Fault
DTC C1763 RR Position Sensor Input Fault
DTC C1768 Position Sensor Supply Fault
DTC C1780 Loss of Steering Position Signal
DTC C1782 ICCS2 DL Left Output Short CKT to Bat
DTC C1783 ICCS2 DL Left Output Short CKT to GND
DTC C1784 ICCS2 DL Right Output Short CKT to Bat
DTC C1785 ICCS2 DL Right Output Short CKT to GND
DTC C1786 Damper Control Relay Fault
DTC C1787 Damper Control Relay Short to GND
DTC C1788 Damper Control Relay Short to Bat

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