Restraints Control Module (RCM) DTC Chart

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 Loops	Firing 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 MODULE COMMUNICATIONS NETWORK to diagnose the communication concern.
U0154	Lost Communication With Restraints Occupant Classification System Module	REFER to MODULE COMMUNICATIONS NETWORK 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 .
U0401	Invalid Data Received From ECM/PCM A	RETRIEVE PCM DTCs. If DTCs are present in the PCM, REFER to INTRODUCTION - GASOLINE MODELS 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 Sensor (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) .