Supplemental Restraint System DTCS
RESTRAINTS CONTROL MODULE (RCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action To Take |
|---|---|---|
| Continuous lamp | The Air Bag Warning Indicator is Illuminated Continuously | GO to PINPOINT TEST A . |
| B1231 | Event Threshold Exceeded | INSTALL a new Restraints Control Module (RCM). REFER to INSPECTION AND REPAIR AFTER A SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPLOYMENT . |
| B1317 | Battery Voltage High | GO to PINPOINT TEST Y . |
| B1318 | Battery Voltage Low | GO to PINPOINT TEST Y . |
| B1342 | ECU Is Faulted | INSTALL a new RCM. REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| B1868 | Lamp Air Bag Warning Indicator Circuit Failure | GO to PINPOINT TEST B . |
| B1884 | PAD Warning Lamp Circuit Failure | GO to PINPOINT TEST C . |
| B1890 | PAD Warning Lamp Circuit Short to Battery | GO to PINPOINT TEST D . |
| B2290 | Occupant Classification System Fault |
NOTE:
If no DTCs are present in the Occupant Classification System Module (OCSM) and DTC B2290 is only present in the RCM as a continuous DTC, CLEAR all RCM DTCs and PROVE OUT the system. The OCSM reported a fault message to the RCM. CARRY OUT self-test of the OCSM and RETRIEVE continuous DTCs. |
| B2292 | Restraint System - Seatbelt Pretensioner Fault | GO to PINPOINT TEST F . |
| B2293 | Restraint System - Air Bag Fault | GO to PINPOINT TEST G . |
| B2294 | Restraint System - Curtain Fault | GO to PINPOINT TEST H . |
| B2295 | Restraint System - Side Air Bag Fault | GO to PINPOINT TEST I . |
| B2296 | Restraint System - Impact Sensor Fault | GO to PINPOINT TEST J . |
| B2432 | Drivers Seat Belt Buckle Switch Circuit Open | GO to PINPOINT TEST K . |
| B2433 | Drivers Seat Belt Buckle Switch Circuit Short to Battery | GO to PINPOINT TEST L . |
| B2434 | Drivers Seat Belt Buckle Switch Circuit Short To Ground | GO to PINPOINT TEST M . |
| B2435 | Drivers Seat Belt Buckle Switch Resistance out of Range | GO to PINPOINT TEST N . |
| B2436 | Passengers Seat Belt Buckle Switch Circuit Open | GO to PINPOINT TEST O . |
| B2437 | Passengers Seat Belt Buckle Switch Circuit Short to Battery | GO to PINPOINT TEST P . |
| B2438 | Passengers Seat Belt Buckle Switch Short to Ground | GO to PINPOINT TEST Q . |
| B2439 | Passengers Seat Belt Buckle Switch Resistance Out of Range | GO to PINPOINT TEST R . |
| B2477 | Module Configuration Failure |
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. INSTALL a new RCM. REFER to RESTRAINTS CONTROL MODULE (RCM)
. |
| B2607 | Harness/Configuration Mismatch |
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. INSTALL a new RCM. REFER to RESTRAINTS CONTROL MODULE (RCM)
. |
| B2792 | Cross Link Between Firing Loops | GO to PINPOINT TEST S . |
| C1414 | Incorrect Module Design Level | INSTALL a new RCM. REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| C1946 | Front Driver's Seat Track Position Switch Circuit Open | GO to PINPOINT TEST U . |
| C1947 | Front Driver's Seat Track Position Switch Circuit Short to Ground | GO to PINPOINT TEST V . |
| C1948 | Front Driver's Seat Track Position Switch Circuit Resistance Out of Range | GO to PINPOINT TEST W . |
| C1982 | Front Driver's Seat Track Position Switch Circuit Short to Battery | GO to PINPOINT TEST X . |
| U0100 | Lost Communication With ECM/PCM | REFER to PINPOINT TEST A: THE PCM DOES NOT RESPOND TO THE SCAN TOOL article to diagnose the communication concern. |
| U0154 | Lost Communication With Restraints Occupant Classification System Module | REFER to PINPOINT TEST D: THE OCCUPANT CLASSIFICATION SYSTEM MODULE (OCSM) DOES NOT RESPOND TO THE SCAN TOOL article to diagnose the communication concern. |
| U0253 | Lost Communication With Accessory Protocol Interface Module |
NOTE:
This DTC will set in the RCM if a message is not received from the APIM.
Check for additional RCM and APIM DTCs. REFER to the appropriate section to diagnose DTCs concern. If no other DTCs are present, REFER to APIM Software Level Check in the General Procedures portion of INFORMATION SYSTEM AND ENTERTAINMENT SYSTEM article. |
| U0401 | Invalid Data Received From ECM/PCM A | RETRIEVE PCM DTCs. If DTCs are present in the PCM, REFER to INTRODUCTION - GASOLINE MODELS article to diagnose the concern. If DTCs are not present in the PCM and DTC U0401 is present in the RCM as a on-demand DTC, INSTALL a new RCM. REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| U0455 | Invalid Data Received From Restraints Occupant Classification System Module | REPAIR all on-demand Occupant Classification System (OCS) system DTCs, CLEAR all RCM DTCs and PROVE OUT the system. If no DTCs are present in the OCSM and DTC U0455 is only present in the RCM continuous, CLEAR all RCM DTCs and PROVE OUT the system. If no DTCs are present in the OCSM and DTC U0455 is present on-demand in the RCM, INSTALL a new OCS service kit. REFER to OCCUPANT CLASSIFICATION SENSOR . |
| U2050 | No Application Present | INSTALL a new RCM. REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| U2051 | One or More Calibration Files Missing/Corrupt | INSTALL a new RCM. REFER to RESTRAINTS CONTROL MODULE (RCM) . |
OCCUPANT CLASSIFICATION SYSTEM MODULE (OCSM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action To Take |
|---|---|---|
| B1231 | Event Threshold Exceeded | INSTALL a new Occupant Classification System (OCS) system service kit and CLEAR all Restraints Control Module (RCM) and Occupant Classification System Module (OCSM) DTCs. REFER to OCCUPANT CLASSIFICATION SENSOR and INSPECTION AND REPAIR AFTER A SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPLOYMENT . |
| B1317 | Battery Voltage High | GO to PINPOINT TEST Y . |
| B1318 | Battery Voltage Low | GO to PINPOINT TEST Y . |
| B1342 | ECU Is Faulted | INSTALL a new OCS system service kit. REFER to OCCUPANT CLASSIFICATION SENSOR . |
| B2290 | Occupant Classification System Fault | GO to PINPOINT TEST E . |
| B2909 | Belt Tension Sensor Fault | GO to PINPOINT TEST T . |
| C1941 | Zero Seat Weight Test Failure | Can only be reported when carrying out OCS System Reset. REFER to OCCUPANT CLASSIFICATION SENSOR . |
| U0100 | Lost Communication With ECM/PCM | REFER to PINPOINT TEST A: THE PCM DOES NOT RESPOND TO THE SCAN TOOL article to diagnose the communication concern. |
| U0151 | Lost Communication With Restraints Control Module | REFER to MODULE COMMUNICATIONS NETWORKPINPOINT TEST E: THE RESTRAINTS CONTROL MODULE (RCM) DOES NOT RESPOND TO THE SCAN TOOL articles to diagnose the communication concern. |
| U2050 | No Application Present | INSTALL a new OCS system service kit. REFER to OCCUPANT CLASSIFICATION SENSOR . |
| U2051 | One or More Calibration Files Missing/Corrupt | INSTALL a new OCS system service kit. REFER to OCCUPANT CLASSIFICATION SENSOR . |