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Supplemental Restraints Systems DTCS

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

DTC Description Retrieved From Perform Test
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 .
B1118 Passenger Front Crash Sensor Mount/Communication Fault RCM Go to Pinpoint Test B .
B1135 Passenger Front Crash Sensor Internal Fault RCM INSTALL a new RH front impact severity sensor. REFER to Front Impact Severity Sensor in this article.
B1231 Event Threshold Exceeded (Crash Data Memory Full) RCM Install 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 a new OCS service kit and CLEAR all RCM and OCS module 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 a new RCM. REFER to Restraints Control Module (RCM) in this article.
B1342 ECU (OCS module) is Faulted OCS module INSTALL a new OCS service kit. REFER to Occupant Classification Sensor in this article.
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 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 OCS module and DTC B2290 is only present in the RCM as a continuous DTC, CLEAR all RCM DTCs and PROVE OUT the system.
Go to Pinpoint Test E .
B2292 Restraint System - Seatbelt Pretensioner Fault (Driver Pretensioner Circuit Fault) RCM Go to Pinpoint Test F .
B2292 Restraint System - Seatbelt Pretensioner Fault (Passenger Pretensioner Circuit Fault) RCM Go to Pinpoint Test F .
B2293 Restraint System - Air Bag Fault (Driver Front Air Bag Circuit Fault) RCM Go to Pinpoint Test G .
B2293 Restraint System - Air Bag Fault (Passenger Front Air Bag Circuit Fault) RCM Go to Pinpoint Test G .
B2296 Restraint System - Impact Sensor Fault (Driver Front Impact Severity Sensor Circuit Fault) RCM Go to Pinpoint Test H .
B2434 Drivers Seat Belt Buckle Switch Circuit Short to Ground RCM Go to Pinpoint Test I .
B2435 Drivers Seat Belt Buckle Switch Resistance Out of Range RCM Go to Pinpoint Test J .
B2438 Passenger Seat Belt Buckle Switch Short to Ground RCM Go to Pinpoint Test K .
B2439 Passenger Seat Belt Buckle Switch Resistance Out of Range RCM Go to Pinpoint Test L .
B2477 Module Configuration Failure RCM INSTALL a new RCM. REFER to Restraints Control Module (RCM) in this article.
B2477 Module Configuration Failure OCS module INSTALL a new OCS module. REFER to Occupant Classification Sensor in this article.
B2607 Harness/Configuration Mismatch RCM INSTALL 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 M .
B2692 Front Passenger's Seat Belt Buckle Switch Circuit Fault RCM Go to Pinpoint Test N .
B2792 Cross Link Between Firing Loops (This DTC and the Associated Firing Loops That are Crossed Will Set Applicable Loop Fault With Low Resistance on Squib) RCM Go to Pinpoint Test O .
C1414 Incorrect Module Design Level (Incorrect Vehicle Application) RCM INSTALL 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 Occupant Classification Sensor (OCS) System Reset. REFER to Occupant Classification Sensor in this article.
B2909 Belt Tension Sensor Fault OCS module Go to Pinpoint Test P .
C1946 Front Driver's Seat Track Position Switch Circuit Open RCM Go to Pinpoint Test Q .
C1947 Front Driver's Seat Track Position Switch Circuit Short to Ground RCM Go to Pinpoint Test R .
C1948 Front Driver's Seat Track Position Switch Circuit Resistance Out of Range RCM Go to Pinpoint Test S .
C1981 Front Driver's Seat Track Position Switch Circuit Fault RCM Go to Pinpoint Test T .
U0300 Internal Control Module Software Incompatibility RCM INSTALL a new RCM. REFER to Restraints Control Module (RCM) in this article.
U1900 CAN Communication Bus Fault - Receive Error RCM Go to Pinpoint Test U .
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 V .
U0151 Loss of Communication With Restraints Control Module OCS REFER to MODULE COMMUNICATIONS NETWORK article.
U2050 No Application Present RCM INSTALL 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 service kit. REFER to Occupant Classification Sensor in this article.
U2051 One or More Calibration Files Missing/Corrupt RCM INSTALL 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 service kit. REFER to Occupant Classification Sensor in this article.