Supplemental Restraint System DTCS

SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC^a	Description	Retrieved From	Action To Take
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 Q .
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 R .
B1231	Event Threshold Exceeded (Crash Data Memory Full)	RCM	INSTALL and CONFIGURE a new RCM and impact sensors. REFER to Inspection and Repair After a Supplemental Restraint System (SRS) Deployment in this article.
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 in this article.
B1317	Battery Voltage High	RCM	CHECK battery voltage; to be below 18 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
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 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	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 article.
B1342	ECU (RCM) is Faulted	RCM	INSTALL and CONFIGURE a new RCM. REFER to Restraints Control Module (RCM) in this article.
B1342	ECU (OCS Module) is Faulted	OCS module	CARRY OUT Occupant Classification Sensor (OCS) System Reset. REFER to Occupant Classification Sensor (OCS) System Reset in this article. 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 Diagnostic Test Modes . If the DTC is still present, INSTALL a new OCS module. REFER to Occupant Classification System Module (OCSM) in this article.
B1884	PAD Warning Lamp Circuit Failure	RCM	Go to Pinpoint Test B .
B1890	PAD Warning Lamp Circuit Short to Battery	RCM	Go to Pinpoint Test C .
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 RCM and DTC B2290 is only present in the OCS module continuous, CLEAR all OCS module DTCs and PROVE OUT the system. Go to Pinpoint Test D .
B2292	Restraint System - Safety Belt Pretensioner Fault	RCM	Go to Pinpoint Test E .
B2293	Restraint System - Air Bag Fault	RCM	Go to Pinpoint Test F .
B2294	Restraint System - Curtain Fault	RCM	Go to Pinpoint Test G .
B2295	Restraint System - Side Air Bag Fault	RCM	Go to Pinpoint Test H .
B2296	Restraint System - Impact Sensor Fault	RCM	Go to Pinpoint Test I .
B2434	Drivers Seat Belt Buckle Switch Circuit Short to Ground	RCM	Go to Pinpoint Test J .
B2435	Drivers Seat Belt Buckle Switch Resistance Out of Range	RCM	Go to Pinpoint Test K .
B2438	Passengers Seat Belt Buckle Switch Short to Ground	RCM	Go to Pinpoint Test L .
B2439	Passengers Seat Belt Buckle Switch Resistance Out of Range	RCM	Go to Pinpoint Test M .
B2477	Module Configuration Failure	RCM	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 and CONFIGURE. REFER to Restraints Control Module (RCM) in this article.
B2607	Harness/Configuration Mismatch	RCM	INSTALL and CONFIGURE a new RCM. REFER to Restraints Control Module (RCM) in this article.
B2691	Seat Belt Buckle Switch Circuit Fault, Front Driver's Side	RCM	Go to Pinpoint Test N .
B2692	Front Passenger's Seat Belt Buckle Switch Circuit Fault	RCM	Go to Pinpoint Test O .
B2792	Cross Link Between Firing Loops	RCM	Go to Pinpoint Test P .
C1414	Incorrect Module Design Level (Incorrect Vehicle Application)	RCM	INSTALL and CONFIGURE a new RCM. REFER to Restraints Control Module (RCM) in this article.
C1941	Zero Seat Weight Test Failure	OCS module	Can only be reported when carrying out Zero Seat Weight Test. REFER to Occupant Classification Sensor (OCS) System Zero Seat Weight Test in this article.
C1946	Front Driver's Seat Track Position Switch Circuit Open	RCM	Go to Pinpoint Test S .
C1947	Front Driver's Seat Track Position Switch Circuit Short to Ground	RCM	Go to Pinpoint Test T .
C1948	Front Driver's Seat Track Position Switch Circuit Resistance Out of Range	RCM	Go to Pinpoint Test U .
C1981	Front Driver's Seat Track Position Switch Circuit Fault	RCM	Go to Pinpoint Test V .
U0300	Internal Control Module Software Incompatibility	RCM	INSTALL and CONFIGURE a new RCM. REFER to Restraints Control Module (RCM) in this article.
U1900	CAN Communication Bus Fault - Receive Error	RCM	Go to Pinpoint Test W .
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 X .
U2050	No Application Present	RCM	INSTALL and CONFIGURE a new RCM. REFER to Restraints Control Module (RCM) in this article.
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 System Module (OCSM) in this article.
U2051	One or More Calibration Files Missing/Corrupt	RCM	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 and CONFIGURE a new RCM. REFER to Restraints Control Module (RCM) in this article.
U2051	One or More Calibration Files Missing/Corrupt	OCS module	INSTALL a new OCS module. REFER to Occupant Classification System Module (OCSM) in this article.