Restraints Control Module (RCM)
RESTRAINTS CONTROL MODULE (RCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action To Take |
|---|---|---|
| - | The Air Bag Warning Indicator is Illuminated Continuously | GO to PINPOINT TEST A . |
| B104A | Front Crash Sensor #2 ID Fault | INSTALL the correct RH front impact severity sensor. REFER to FRONT IMPACT SEVERITY SENSOR . |
| B104B | Driver Side Crash Sensor Cross Link to Another Sensor | GO to PINPOINT TEST AT . |
| B104C | Passenger Side Crash Sensor Cross Link to Another Sensor | GO to PINPOINT TEST AT . |
| B104D | Front Crash Sensor Cross Link to Another Sensor | GO to PINPOINT TEST AT . |
| B104E | Driver Side Crash Sensor Short to Gnd/Vbatt | GO to PINPOINT TEST B . |
| B104F | Passenger Side Crash Sensor Internal Fault | INSTALL a new passenger side impact sensor. REFER to SIDE IMPACT SENSOR . |
| B1042 | Front Crash Sensor #2 Internal Fault | INSTALL a new RH front impact severity sensor. REFER to FRONT IMPACT SEVERITY SENSOR . |
| B1043 | Front Crash Sensor #2 Driver Communications Fault | GO to PINPOINT TEST C . |
| B1044 | Front Crash Sensor #2 Circuit Short to Ground/Vbatt | GO to PINPOINT TEST D . |
| B1045 | Front Crash Sensor #2 Cross Link to Another Sensor | GO to PINPOINT TEST AT . |
| B1047 | Driver Side, Side Mount Airbag Cross Link to Another Firing Loop | GO to PINPOINT TEST AT . |
| B1048 | Passenger Side Airbag Cross Link to Another Firing Loop | GO to PINPOINT TEST AT . |
| B1049 | Passenger Seatbelt Pretensioner Cross Link to Another Firing Loop | GO to PINPOINT TEST AT . |
| B1050 | Passenger Side Crash Sensor Circuit Short to Gnd/Vbatt | GO to PINPOINT TEST E . |
| B1051 | Driver Side Crash Sensor Internal Fault | INSTALL a new driver side impact sensor. REFER to SIDE IMPACT SENSOR . |
| B1052 | Passenger Seatbelt Buckle Switch Cross Link to Another Sensor | GO to PINPOINT TEST AT . |
| B1053 | Driver Seatbelt Buckle Switch Cross Link to Another Sensor | GO to PINPOINT TEST AT . |
| B1054 | Driver Seatbelt Pretensioner Cross Link to Another Sensor | GO to PINPOINT TEST AT . |
| B1055 | Passenger Side, Side Mount Airbag Cross Link to Another Firing Loop | GO to PINPOINT TEST AT . |
| B1057 | Driver Airbag Cross Link to Another Firing Loop | GO to PINPOINT TEST AT . |
| B1058 | Driver Airbag Cross Link to Another Firing Loop - Loop #2 | GO to PINPOINT TEST AT . |
| B1059 | Passenger Airbag Cross Link to Another Firing Loop - Loop #2 | GO to PINPOINT TEST AT . |
| B1231 | Event Threshold Exceeded | INSTALL a new RCM and impact sensors. REFER to INSPECTION AND REPAIR AFTER A SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPLOYMENT . |
| B1317 | Battery Voltage High | GO to PINPOINT TEST F . |
| B1318 | Battery Voltage Low | GO to PINPOINT TEST F . |
| B1342 | RCM Is Faulted | INSTALL a new RCM. REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| B1868 | Lamp Air Bag Warning Indicator Circuit Failure | GO to PINPOINT TEST H . |
| B1877 | Seatbelt Driver Pretensioner Circuit Open | GO to PINPOINT TEST I . |
| B1878 | Seatbelt Driver Pretensioner Circuit Short to Battery | GO to PINPOINT TEST J . |
| B1879 | Seatbelt Driver Pretensioner Circuit Short to Ground | GO to PINPOINT TEST K . |
| B1881 | Seatbelt Passenger Pretensioner Circuit Open | GO to PINPOINT TEST L . |
| B1882 | Seatbelt Passenger Pretensioner Circuit Short to Battery | GO to PINPOINT TEST M . |
| B1883 | Seatbelt Passenger Pretensioner Circuit Short to Ground | GO to PINPOINT TEST N . |
| B1884 | PAD Warning Lamp Circuit Failure | GO to PINPOINT TEST O . |
| B1885 | Seatbelt Driver Pretensioner Circuit Low Resistance on Squib | GO to PINPOINT TEST I . |
| B1886 | Seatbelt Passenger Pretensioner Circuit Low Resistance on Squib | GO to PINPOINT TEST L . |
| B1890 | PAD Warning Lamp Circuit Short to Battery | GO to PINPOINT TEST P . |
| B1916 | Air Bag Driver Circuit Short to Battery | GO to PINPOINT TEST G . |
| B1925 | Air Bag Passenger Circuit Short to Battery | GO to PINPOINT TEST Q . |
| B1932 | Air Bag Driver Circuit Open | GO to PINPOINT TEST R . |
| B1933 | Air Bag Passenger Circuit Open | GO to PINPOINT TEST S . |
| B1934 | Air Bag Driver Inflator Circuit Resistance Low on Squib | GO to PINPOINT TEST R . |
| B1935 | Air Bag Passenger Inflator Circuit Resistance Low on Squib | GO to PINPOINT TEST S . |
| B1936 | Air Bag Driver Circuit Short to Ground | GO to PINPOINT TEST T . |
| B1938 | Air Bag Passenger Circuit Short to Ground | GO to PINPOINT TEST U . |
| B1992 | Driver Side, Side Mount Airbag Circuit Short to Vbatt | GO to PINPOINT TEST V . |
| B1993 | Driver Side, Side Mount Airbag Circuit Short to Ground | GO to PINPOINT TEST W . |
| B1994 | Driver Side, Side Mount Airbag Circuit Open | GO to PINPOINT TEST X . |
| B1995 | Driver Side, Side Mount Airbag Circuit Low Resistance on Squib | GO to PINPOINT TEST X . |
| B1996 | Passenger Side, Side Mount Airbag Circuit Short to Vbatt | GO to PINPOINT TEST Y . |
| B1997 | Passenger Side, Side Mount Airbag Circuit Short to Ground | GO to PINPOINT TEST Z . |
| B1998 | Passenger Side, Side Mount Airbag Circuit Open | GO to PINPOINT TEST AA . |
| B1999 | Passenger Side, Side Mount Airbag Circuit Low Resistance on Squib | GO to PINPOINT TEST AA . |
| B2226 | Front Crash Sensor Internal Fault | INSTALL a new LH front impact severity sensor. REFER to FRONT IMPACT SEVERITY SENSOR . |
| B2227 | Front Crash Sensor Driver Communications Fault | GO to PINPOINT TEST AB . |
| B2228 | Air Bag Driver Circuit Short to Ground - Loop #2 | GO to PINPOINT TEST AC . |
| B2229 | Air Bag Passenger Circuit Short to Ground - Loop #2 | GO to PINPOINT TEST AD . |
| B2230 | Air Bag Driver Circuit Short to Battery - Loop #2 | GO to PINPOINT TEST AE . |
| B2231 | Air Bag Passenger Circuit Short to Battery - Loop #2 | GO to PINPOINT TEST AF . |
| B2232 | Air Bag Driver Circuit Open - Loop #2 | GO to PINPOINT TEST AG . |
| B2233 | Air Bag Passenger Circuit Open - Loop #2 | GO to PINPOINT TEST AH . |
| B2234 | Air Bag Driver Inflator Circuit Resistance Low on Squib - Loop #2 | GO to PINPOINT TEST AG . |
| B2235 | Air Bag Passenger Inflator Circuit Resistance Low on Squib - Loop #2 | GO to PINPOINT TEST AH . |
| B2290 | Occupant Classification System Fault |
NOTE:
If no on-demand or continuous DTC is present in the Occupant Classification System Module (OCSM) and DTC B2290 is only present in the RCM as a non-active DTC, CLEAR all RCM DTCs and PROVE OUT the SRS.
The OCSM reported a fault message to the RCM. CARRY OUT self-test of the OCSM and RETRIEVE DTCs. |
| B2432 | Drivers Seat Belt Buckle Switch Circuit Open | GO to PINPOINT TEST AJ . |
| B2433 | Drivers Seat Belt Buckle Switch Circuit Short to Battery | GO to PINPOINT TEST AK . |
| B2434 | Drivers Seat Belt Buckle Switch Circuit Short to Ground | GO to PINPOINT TEST AL . |
| B2435 | Drivers Seat Belt Buckle Switch Resistance out of Range | GO to PINPOINT TEST AM . |
| B2436 | Passengers Seat Belt Buckle Switch Circuit Open | GO to PINPOINT TEST AN . |
| B2437 | Passengers Seat Belt Buckle Switch Circuit Short to Battery | GO to PINPOINT TEST AO . |
| B2438 | Passengers Seat Belt Buckle Switch Circuit Short to Ground | GO to PINPOINT TEST AP . |
| B2439 | Passengers Seat Belt Buckle Switch Resistance out of Range | GO to PINPOINT TEST AQ . |
| B2477 | Module Configuration Failure | CONFIGURE the RCM. CLEAR the DTC. If the DTC does not clear, CONFIGURE the RCM once again. CLEAR the DTC. If the DTC does not clear, INSTALL a new RCM. REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| B2855 | Front Crash Sensor Circuit Short to Ground/Vbatt | GO to PINPOINT TEST AR . |
| B2856 | Front Crash Sensor ID Fault | INSTALL the correct LH front impact severity sensor. REFER to FRONT IMPACT SEVERITY SENSOR . |
| B2886 | Passenger Side Crash Sensor ID Fault | INSTALL the correct passenger side impact sensor. REFER to SIDE IMPACT SENSOR . |
| B2887 | Driver Side Crash Sensor ID Fault | INSTALL the correct driver side impact sensor. REFER to SIDE IMPACT SENSOR . |
| B10AC | Front Driver Seat Track Position Sensor Cross Link to Another Sensor | GO to PINPOINT TEST AT . |
| C1414 | Incorrect Module Design Level | GO to PINPOINT TEST AU . |
| C1946 | Front Driver's Seat Track Position Switch Circuit Open | GO to PINPOINT TEST AV . |
| C1947 | Front Driver's Seat Track Position Switch Circuit Short to Ground | GO to PINPOINT TEST AW . |
| C1948 | Front Driver's Seat Track Position Switch Circuit Resistance Out of Range | GO to PINPOINT TEST AX . |
| C1982 | Front Driver's Seat Track Position Switch Circuit Short to Battery | GO to PINPOINT TEST AY . |
| U0154 | Lost Communication with Restraints Occupant Classification Module |
NOTE:
The DTC will set in a module that is reporting a communication fault from another module on the data bus. The module that reports the fault is not the problem module. Do not install a new OCSM as part of repair.
REFER to MODULE COMMUNICATIONS NETWORK to diagnose the communication concern. |
| U0155 | Lost Communication with Instrument Cluster (IC) Control Module |
NOTE:
The DTC will set in a module that is reporting a communication fault from another module on the data bus. The module that reports the fault is not the problem module. Do not install a new OCSM as part of repair.
REFER to MODULE COMMUNICATIONS NETWORK to diagnose the communication concern. |
| U0455 | Invalid Data Received From Restraints Occupant Classification System Module | REPAIR all 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 with a status "did not fail current monitoring cycle", CLEAR all RCM DTCs and PROVE OUT the system. If DTCs are not present in the OCSM and DTC U0455 is present in the RCM, INSTALL a new OCS system service kit. REFER to OCCUPANT CLASSIFICATION SENSOR . |
| U2017 | Driver Side Crash Sensor Communication Fault (Non SCP) | GO to PINPOINT TEST AZ . |
| U2018 | Passenger Side Crash Sensor Communication Fault (Non SCP) | GO to PINPOINT TEST BA . |
| 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) . |