Air Bag Restraint Systems DTCS
SUPPLEMENTAL RESTRAINT SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Retrieved From | Perform Test |
|---|---|---|---|
| Continuous lamp | The Air Bag Indicator is Illuminated Continuously (RCM Disconnected or Inoperative, Loss of Battery Feed or Loss of Signal Ground) | RCM | Go to Pinpoint Test A . |
| B229A | Occupant Classification System Contamination | OCS module |
NOTE:
If no on-demand or continuous DTC is present in the RCM and DTC B229A is only present in the OCS module continuous, CLEAR all OCS module DTCs and PROVE OUT the system. Go to Pinpoint Test W
. |
| B229B | Occupant Classification System Obstruction | OCS module |
NOTE:
If no on-demand or continuous DTC is present in the RCM and DTC B229B is only present in the OCS module continuous, CLEAR all OCS module DTCs and PROVE OUT the system. Go to Pinpoint Test X
. |
| B1085 | Restraint System - Seatbelt Load Limiter Status | RCM | Go to Pinpoint Test B . |
| B1118 | Passenger Front Crash Sensor Mount/Communication Fault | RCM | Go to Pinpoint Test C . |
| B1135 | Passenger Front Crash Sensor Internal Fault | RCM | INSTALL a new RH front impact severity sensor. REFER to Front Impact Severity Sensor . |
| B1231 | Event Threshold Exceeded (Crash Data Memory Full) | RCM | INSTALL a new RCM and impact sensors. REFER to Inspection and Repair After a Supplemental Restraint System (SRS) Deployment . |
| B1231 | Event Threshold Exceeded (Crash Data Memory Full) | OCS module | INSTALL new OCS rails and CLEAR all OCS module and RCM DTCs. REFER to Occupant Classification Sensor and Inspection and Repair After a Supplemental Restraint System (SRS) Deployment . |
| B1317 | Battery Voltage High | RCM | CHECK battery voltage; to be below 18 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION . |
| B1317 | Battery Voltage High | OCS module |
NOTE:
If no on-demand or continuous DTC is present in the RCM and DTC B1317 is only present in the OCS module continuous, CLEAR all OCS module DTCs and PROVE OUT the system. CHECK battery voltage; to be below 18 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION
. |
| B1318 | Battery Voltage Low | RCM | CHECK battery voltage; to be above 8 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION . |
| B1318 | Battery Voltage Low | OCS module |
NOTE:
If no on-demand or continuous DTC is present in the RCM and DTC B1318 is only present in the OCS module continuous, CLEAR all OCS module DTCs and PROVE OUT the system. CHECK battery voltage; to be above 8 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION
. |
| B1342 | ECU (RCM) is Faulted | RCM | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| B1342 | ECU (OCS module) is Faulted | OCS module | CARRY OUT Occupant Classification Sensor (OCS) System Reset. REFER to Occupant Classification Sensor (OCS) System Reset
. DO NOT carry out the Zero Seat Weight Test at this time. CLEAR the DTCs and REPEAT the self-test. If the DTC is no longer present, CARRY OUT the Zero Weight Test to complete the repair. REFER to Pinpoint Tests - Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) . If the DTC is still present, INSTALL a new OCS module. REFER to Occupant Classification Module . |
| B1884 | PAD Warning Lamp Circuit Failure | RCM | Go to Pinpoint Test D . |
| B1890 | PAD Warning Lamp Circuit Short to Battery | RCM | Go to Pinpoint Test E . |
| B2290 | Occupant Classification System Fault | RCM |
NOTE:
If no on-demand or continuous DTC is present in the OCS module and DTC B2290 is only present in the RCM as a continuous DTC, CLEAR all RCM DTCs and PROVE OUT the system. The OCS module reported a fault message to the RCM. CARRY OUT on-demand self test of the OCS module and RETRIEVE continuous DTCs. |
| B2290 | Occupant Classification System Fault | OCS module |
NOTE:
If no on-demand or continuous DTC is present in the OCS module and DTC B2290 is only present in the RCM as a continuous DTC, CLEAR all RCM DTCs and PROVE OUT the system. Go to Pinpoint Test F
. |
| B2292 | Restraint System - Seatbelt Pretensioner Fault | RCM | Go to Pinpoint Test G . |
| B2293 | Restraint System - Air Bag Fault | RCM | Go to Pinpoint Test H . |
| B2294 | Restraint System - Curtain Fault | RCM | Go to Pinpoint Test I . |
| B2295 | Restraint System - Side Air Bag Fault | RCM | Go to Pinpoint Test J . |
| B2296 | Restraint System - Impact Sensor Fault | RCM | Go to Pinpoint Test K . |
| B2434 | Drivers Seat Belt Buckle Switch Circuit Short to Ground | RCM | Go to Pinpoint Test L . |
| B2435 | Drivers Seat Belt Buckle Switch Resistance Out of Range | RCM | Go to Pinpoint Test M . |
| B2438 | Passenger Seat Belt Buckle Switch Short to Ground | RCM | Go to Pinpoint Test N . |
| B2439 | Passenger Seat Belt Buckle Switch Resistance Out of Range | RCM | Go to Pinpoint Test O . |
| B2477 | Module Configuration Failure | RCM |
CAUTION:
When installing a new RCM on vehicles built 7/31/06 or after, it is necessary to carry out programmable module installation (PMI). Refer to MODULE CONFIGURATION
.
NOTE:
When installing a new RCM, always make sure the correct RCM is being installed. If an incorrect RCM is installed, erroneous DTCs will result. For vehicles built 7/31/06 or after, CARRY OUT programmable module installation (PMI). REFER to MODULE CONFIGURATION
.For vehicles built before 7/31/06, INSTALL a new RCM. REFER to Restraints Control Module (RCM)
. |
| B2477 | Module Configuration Failure | OCS module | INSTALL a new OCS module. REFER to Occupant Classification Module . |
| B2607 | Harness/Configuration Mismatch | RCM |
CAUTION:
When installing a new RCM on vehicles built 7/31/06 or after, it is necessary to carry out programmable module installation (PMI). Refer to MODULE CONFIGURATION
.
NOTE:
When installing a new RCM, always make sure the correct RCM is being installed. If an incorrect RCM is installed, erroneous DTCs will result. For vehicles built 7/31/06 or after, CARRY OUT programmable module installation (PMI). REFER to MODULE CONFIGURATION
.For vehicles built before 7/31/06, INSTALL a new RCM. REFER to Restraints Control Module (RCM)
. |
| B2691 | Seat Belt Buckle Switch Circuit Fault, Front Driver's Side | RCM | Go to Pinpoint Test P . |
| B2692 | Front Passenger's Seat Belt Buckle Switch Circuit Fault | RCM | Go to Pinpoint Test Q . |
| B2792 | Cross Link Between Firing Loops | RCM | Go to Pinpoint Test R . |
| B2984 | Deployable Steering Column Circuit Open | RCM | Go to Pinpoint Test S . |
| B2985 | Deployable Steering Column Circuit Short to Battery | RCM | Go to Pinpoint Test T . |
| B2986 | Deployable Steering Column Circuit Short to Ground | RCM | Go to Pinpoint Test U . |
| B2987 | Deployable Steering Column Circuit Resistance Low on Squib | RCM | Go to Pinpoint Test V . |
| C1414 | Incorrect Module Design Level (Incorrect Vehicle Application) | RCM |
CAUTION:
When installing a new RCM on vehicles built 7/31/06 or after, it is necessary to carry out programmable module installation (PMI). Refer to MODULE CONFIGURATION
.
NOTE:
When installing a new RCM, always make sure the correct RCM is being installed. If an incorrect RCM is installed, erroneous DTCs will result. For vehicles built 7/31/06 or after, CARRY OUT programmable module installation (PMI). REFER to MODULE CONFIGURATION
.For vehicles built before 7/31/06, INSTALL a new RCM. REFER to Restraints Control Module (RCM)
. |
| C1941 | Zero Seat Weight Test Failure | OCS module | Can only be reported when carrying out Occupant Classification Sensor (OCS) System Zero Seat Weight Test. REFER to Occupant Classification Sensor (OCS) System Zero Seat Weight Test . |
| C1946 | Front Driver's Seat Track Position Switch Circuit Open | RCM | Go to Pinpoint Test Y . |
| C1947 | Front Driver's Seat Track Position Switch Circuit Short to Ground | RCM | Go to Pinpoint Test Z . |
| C1948 | Front Driver's Seat Track Position Switch Circuit Resistance Out of Range | RCM | Go to Pinpoint Test AA . |
| C1981 | Front Driver's Seat Track Position Switch Circuit Fault | RCM | Go to Pinpoint Test AB . |
| U0300 | Internal Control Module Software Incompatibility | RCM |
CAUTION:
When installing a new RCM on vehicles built 7/31/06 or after, it is necessary to carry out programmable module installation (PMI). Refer to MODULE CONFIGURATION
.
NOTE:
When installing a new RCM, always make sure the correct RCM is being installed. If an incorrect RCM is installed, erroneous DTCs will result. For vehicles built 7/31/06 or after, CARRY OUT programmable module installation (PMI). REFER to MODULE CONFIGURATION
.For vehicles built before 7/31/06, INSTALL a new RCM. REFER to Restraints Control Module (RCM)
. |
| U1900 | CAN Communication Bus Fault - Receive Error | RCM | Go to Pinpoint Test AC . |
| U1900 | CAN Communication Bus Fault - Receive Error | OCS module |
NOTE:
If no on-demand or continuous DTC is present in the RCM and DTC U1900 is only present in the OCS module continuous, CLEAR all OCS module DTCs and PROVE OUT the system. Go to Pinpoint Test AD
. |
| U2050 | No Application Present | RCM |
CAUTION:
When installing a new RCM on vehicles built 7/31/06 or after, it is necessary to carry out programmable module installation (PMI). Refer to MODULE CONFIGURATION
.
NOTE:
When installing a new RCM, always make sure the correct RCM is being installed. If an incorrect RCM is installed, erroneous DTCs will result. For vehicles built 7/31/06 or after, CARRY OUT programmable module installation (PMI). REFER to MODULE CONFIGURATION
.For vehicles built before 7/31/06, INSTALL a new RCM. REFER to Restraints Control Module (RCM)
. |
| U2050 | No Application Present | OCS module |
NOTE:
If no on-demand or continuous DTC is present in the RCM and DTC U2050 is only present in the OCS module continuous, CLEAR all OCS module DTCs and PROVE OUT the system. INSTALL a new OCS module. REFER to Occupant Classification Module
. |
| U2051 | One or More Calibration Files Missing/Corrupt | RCM |
CAUTION:
When installing a new RCM on vehicles built 7/31/06 or after, it is necessary to carry out programmable module installation (PMI). Refer to MODULE CONFIGURATION
.
NOTE:
When installing a new RCM, always make sure the correct RCM is being installed. If an incorrect RCM is installed, erroneous DTCs will result. For vehicles built 7/31/06 or after, CARRY OUT programmable module installation (PMI). REFER to MODULE CONFIGURATION
.For vehicles built before 7/31/06, INSTALL a new RCM. REFER to Restraints Control Module (RCM)
. |
| U2051 | One or More Calibration Files Missing/Corrupt | OCS module | INSTALL a new OCS module. REFER to Occupant Classification Module . |