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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 .