Supplemental Restraint System DTCS
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTCa | Description | Retrieved From | Action To Take |
|---|---|---|---|
| Continuous lamp | The Air Bag Warning Indicator is Illuminated Continuously | Restraints control module (RCM) | Go to Pinpoint Test A . |
| B1231 | Event Threshold Exceeded | RCM | INSTALL a new RCM. REFER to Inspection and Repair After a Supplemental Restraint System (SRS) Deployment . |
| B1231 | Event Threshold Exceeded | Occupant classification system module (OCSM) | INSTALL a new occupant classification sensor (OCS) system service kit and CLEAR all RCM and OCSM 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 article. |
| B1317 | Battery Voltage High | OCSM |
NOTE:
If no on-demand or continuous DTC is present in the RCM and DTC B1317 is only present in the OCSM continuous, CLEAR all OCSM DTCs and PROVE OUT the system. CHECK battery voltage; to be below 18 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION
article. |
| B1318 | Battery Voltage Low | RCM | CHECK battery voltage; to be above 8 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION article. |
| B1318 | Battery Voltage Low | OCSM |
NOTE:
If no on-demand or continuous DTC is present in the RCM and DTC B1318 is only present in the OCSM continuous, CLEAR all OCSM DTCs and PROVE OUT the system. CHECK battery voltage; to be above 8 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION
article. |
| B1342 | ECU (RCM) Is Faulted | RCM | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| B1342 | ECU (OCSM) Is Faulted | OCSM | INSTALL a new OCS system service kit. REFER to Occupant Classification Sensor . |
| B1868 | Lamp Air Bag Warning Indicator Circuit Failure | RCM | Go to Pinpoint Test B . |
| B1884 | PAD Warning Lamp Circuit Failure | RCM | Go to Pinpoint Test C . |
| B1890 | PAD Warning Lamp Circuit Short to Battery | RCM | Go to Pinpoint Test D . |
| B2290 | Occupant Classification System Fault | RCM |
NOTE:
If no on-demand or continuous DTC is present in the 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 on-demand self-test of the OCSM and RETRIEVE continuous DTCs. |
| B2290 | Occupant Classification System Fault | OCSM | Go to Pinpoint Test E . |
| B2292 | Restraint System - Seatbelt Pretensioner Fault | RCM | Go to Pinpoint Test F . |
| B2293 | Restraint System - Air Bag Fault | RCM | Go to Pinpoint Test G . |
| B2294 | Restraint System - Curtain Fault | RCM | Go to Pinpoint Test H . |
| B2295 | Restraint System - Side Air Bag Fault | RCM | Go to Pinpoint Test I . |
| B2296 | Restraint System - Impact Sensor Fault | RCM | Go to Pinpoint Test J . |
| B2432 | Drivers Seat Belt Buckle Switch Circuit Open | RCM | Go to Pinpoint Test K . |
| B2433 | Drivers Seat Belt Buckle Switch Circuit Short to Battery | RCM | Go to Pinpoint Test L . |
| B2434 | Drivers Seat Belt Buckle Switch Circuit Short To Ground | RCM | Go to Pinpoint Test M . |
| B2435 | Drivers Seat Belt Buckle Switch Resistance out of Range | RCM | Go to Pinpoint Test N . |
| B2436 | Passengers Seat Belt Buckle Switch Circuit Open | RCM | Go to Pinpoint Test O . |
| B2437 | Passengers Seat Belt Buckle Switch Circuit Short to Battery | RCM | Go to Pinpoint Test P . |
| B2438 | Passengers Seat Belt Buckle Switch Short to Ground | RCM | Go to Pinpoint Test Q . |
| B2439 | Passengers Seat Belt Buckle Switch Resistance Out of Range | RCM | Go to Pinpoint Test R . |
| B2477 | Module Configuration Failure | RCM |
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 | RCM | Go to Pinpoint Test S . |
| B2909 | Belt Tension Sensor Fault | OCSM | Go to Pinpoint Test T . |
| C1414 | Incorrect Module Design Level | RCM | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| C1941 | Zero Seat Weight Test Failure | OCSM | Can only be reported when carrying out Occupant Classification Sensor (OCS) System Reset. REFER to Occupant Classification Sensor . |
| C1946 | Front Driver's Seat Track Position Switch Circuit Open | RCM | Go to Pinpoint Test U . |
| C1947 | Front Driver's Seat Track Position Switch Circuit Short to Ground | RCM | Go to Pinpoint Test V . |
| C1948 | Front Driver's Seat Track Position Switch Circuit Resistance Out of Range | RCM | Go to Pinpoint Test W . |
| C1982 | Front Driver's Seat Track Position Switch Circuit Short to Battery | RCM | Go to Pinpoint Test X . |
| U0100 | Lost Communication With ECM/PCM | RCM | REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the communication concern. |
| U0100 | Lost Communication With ECM/PCM | OCSM | REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the communication concern. |
| U0151 | Lost Communication With Restraints Control Module | OCSM | REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the communication concern. |
| U0154 | Lost Communication With Restraints Occupant Classification System Module | RCM | REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the communication concern. |
| U0401 | Invalid Data received From ECM/PCM A | RCM | 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 | RCM | REPAIR all on-demand OCS system DTCs, CLEAR all RCM DTCs and PROVE OUT the system. If no on-demand or continuous 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 on-demand or continuous 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 | RCM | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| U2050 | No Application Present | OCSM | INSTALL a new OCS system service kit. REFER to Occupant Classification Sensor . |
| U2051 | One or More Calibration Files Missing/Corrupt | RCM | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| U2051 | One or More Calibration Files Missing/Corrupt | OCSM | INSTALL a new OCS system service kit. REFER to Occupant Classification Sensor . |