Anti-Lock - Traction Control & Stability Assist DTCS
NOTE:
The need to recalibrate the stability assist module is indicated by the "TRAC OFF" and "TRAC ACTIVE" lamps flashing. There are other service actions that may require recalibration where there is no flashing lamp. Refer to STABILITY ASSIST MODULE CALIBRATION
. The lamp will flash after the clearing of DTCs that are indicated on the stability assist calibration list.
NOTE:
Stability assist may be referred to as interactive vehicle dynamics (IVD) in the diagnostic tool.
NOTE:
DTC C1730 (Reference Voltage Out Of Range) must be repaired before DTC C1279, C1280, C1281, C1282, C1288, C1289.
STABILITY ASSIST MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action/Go to |
|---|---|---|---|
| B1342 | ECU Is Defective | STABILITY ASSIST | CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved, INSTALL a new stability assist module. Refer to STABILITY ASSIST MODULE . REPEAT the self-test. |
| B1317 | System Voltage High | STABILITY ASSIST | PINPOINT TEST B |
| B1318 | System Voltage Low | STABILITY ASSIST | PINPOINT TEST B |
| B2477 | Module Configuration Failure | STABILITY ASSIST | Refer to MODULE CONFIGURATION . |
| C1095 C1096 |
ABS Hydraulic Pump Motor Circuit Failure/Open | STABILITY ASSIST | PINPOINT TEST C |
| C1103 | Hydraulic Brake Switch Circuit Failure | STABILITY ASSIST | PINPOINT TEST O |
| C1115 | ABS Power Relay Output Short to Battery | STABILITY ASSIST | PINPOINT TEST P |
| C1145 | Speed Wheel Sensor RF Input Circuit Failure | STABILITY ASSIST | PINPOINT TEST D |
| C1155 | Speed Wheel Sensor LF Input Circuit Failure | STABILITY ASSIST | PINPOINT TEST D |
| C1165 | Speed Wheel Sensor RR Input Circuit Failure | STABILITY ASSIST | PINPOINT TEST D |
| C1175 | Speed Wheel Sensor LR Input Circuit Failure | STABILITY ASSIST | PINPOINT TEST D |
| C1184 | ABS Timeout | STABILITY ASSIST | PINPOINT TEST Q |
| C1185 | ABS Relay Output Circuit Failure | STABILITY ASSIST | PINPOINT TEST P |
| C1194 | LF Dump Valve Coil Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1198 | LF ISO Valve Coil Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1210 | RF Dump Valve Coil Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1214 | RF ISO Valve Coil Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1222 | Wheel Speed Error (Mismatch) | STABILITY ASSIST | PINPOINT TEST E |
| C1233 | Speed Wheel LF Input Signal Missing | STABILITY ASSIST | PINPOINT TEST E |
| C1234 | Speed Wheel RF Input Signal Missing | STABILITY ASSIST | PINPOINT TEST E |
| C1235 | Speed Wheel RR Input Signal Missing | STABILITY ASSIST | PINPOINT TEST E |
| C1236 | Speed Wheel LR Input Signal Missing | STABILITY ASSIST | PINPOINT TEST E |
| C1242 | LR Dump Valve Coil Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1246 | RR Dump Valve Coil Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1250 | LR ISO Valve Coil Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1254 | RR ISO Valve Coil Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1277 | Steering Wheel Angle 1 and 2 Circuit Failure | STABILITY ASSIST | PINPOINT TEST F |
| C1278 | Steering Wheel Angle 1 and 2 Signal Faulted | STABILITY ASSIST | PINPOINT TEST F |
| C1279 | Yaw Rate Sensor Circuit Failure | STABILITY ASSIST | PINPOINT TEST G |
| C1280 | Yaw Rate Sensor Signal Fault | STABILITY ASSIST | PINPOINT TEST G |
| C1281 | Lateral Accelerometer Circuit Failure | STABILITY ASSIST | PINPOINT TEST H |
| C1282 | Lateral Accelerometer Signal Fault | STABILITY ASSIST | PINPOINT TEST H |
| C1285 | Booster Solenoid Circuit Failure | STABILITY ASSIST | PINPOINT TEST I |
| C1286 | Booster Mechanical Failure | STABILITY ASSIST | PINPOINT TEST J |
| C1287 | Booster Pedal Force Switch Circuit Failure | STABILITY ASSIST | PINPOINT TEST K |
| C1288 | Pressure Transducer Main/Primary Input Circuit Failure | STABILITY ASSIST | PINPOINT TEST S |
| C1404 | Traction Control Valve 2-Coil Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1410 | Traction Control Valve 1-Coil Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1446 | Brake Switch Circuit Failure | STABILITY ASSIST | PINPOINT TEST T |
| C1730 | Reference Voltage Out of Range (+5 V) | STABILITY ASSIST | PINPOINT TEST L |
| C1957 | Hydraulic Supply Valve RF/LR Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1958 | Hydraulic Supply Valve LF/RR Circuit Failure | STABILITY ASSIST | PINPOINT TEST R |
| C1960 | Driver Brake Apply Circuit Fault | STABILITY ASSIST | PINPOINT TEST M |
| C1963 | Stability Control Inhibit Warning | STABILITY ASSIST | This DTC is for information only; DESCRIPTION AND OPERATION . CLEAR the DTC. REPEAT the self-test. |
| U1009 | SCP (J1850) Invalid or Missing Data for Engine Torque | PCM | REPAIR all other DTCs before proceeding. CLEAR the DTCs. If DTC U1009 is retrieved, Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1011 | SCP (J1850) Invalid or Missing Engine Air Intake | PCM | Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1039 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | PCM | Manufacturer does not provide Diagnosis or Testing information for this code. |
| U1042 | SCP (J1850) Invalid or Missing Traction Control Data Message | PCM | Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1050 | SCP (J1850) Invalid or Missing Brake Data Message | PCM | Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1051 | SPP (J1850) Invalid or Missing Brake Data Message | PCM | Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1083 | SCP (J1850) Invalid or Missing Other Engine Data Message | PCM | Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1249 | SCP (J1850) Invalid or Missing Time/Data Message | PCM | Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1027 | SCP (J1850) Invalid or Missing Data for Engine RPM | PCM | REPAIR all other DTCs before proceeding. CLEAR the DTCs. If DTC U1027 is retrieved, Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1059 | SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/PRNDL | PCM | Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1073 | SCP (J1850) Invalid or Missing Data for Engine Coolant | PCM | Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1243 | SCP (J1850) Invalid or Missing Data for Exterior Environment | PCM | Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1262 | SCP (J1850) Communication Bus Fault | Network Fault | REPAIR all other DTCs before proceeding. CLEAR the DTCs. If DTC U1262 is retrieved, Refer to MODULE COMMUNICATIONS NETWORK . |