DTC Charts

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

The DTCs can be retrieved from the RCM and the OCSM with a scan tool via the DLC.

SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DTC CHART

DTC^a	Description	Source	Action To Take
Continuous lamp	The Air Bag Indicator is Illuminated Continuously	Restraints control module (RCM)	Go to Pinpoint Test A .
B1231	Crash Data Memory Full	RCM	INSTALL a new RCM and impact sensors. REFER to Inspection and Repair After a Supplemental Restraint System (SRS) Deployment .
B1231	Event Threshold Exceeded (Crash Data Memory Full)	Occupant classification sensor (OCS) module	INSPECT the passenger seat for damage. REFER to Inspection and Repair After a Supplemental Restraint System (SRS) Deployment .
B1317	Battery Voltage High	RCM	CHECK battery voltage; to be below 16 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
B1317	Battery Voltage High	Occupant classification system module (OCSM)	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	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 OCS service kit. REFER to Occupant Classification Sensor - Service Kit .
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 OCSM and DTC B2290 is only present in the RCM as a continuous DTC, CHECK battery condition, REFER to BATTERY, MOUNTING AND CABLES article, 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 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	Passenger Seat Belt Buckle Switch Short to Ground	RCM	Go to Pinpoint Test L .
B2439	Passenger Seat Belt Buckle Switch Resistance Out of Range	RCM	Go to Pinpoint Test M .
B2477	Module Configuration Error	RCM	This DTC indicates programmable module installation (PMI) has not been done to a newly installed module. CARRY OUT PMI. REFER to MODULE CONFIGURATION article. CLEAR the DTC. CARRY OUT the self-test.
B2607	Harness/Configuration Mismatch	RCM	CARRY OUT PMI. REFER to MODULE CONFIGURATION article. CLEAR the DTC. CARRY OUT the self-test. If DTC is retrieved a second time, INSTALL a new RCM and CARRY OUT PMI. REFER to Restraints Control Module (RCM) .
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 .
B2900	VIN Mismatch	RCM	CARRY OUT PMI. REFER to MODULE CONFIGURATION article. CLEAR the DTC. CARRY OUT the self-test. If DTC is retrieved a second time, INSTALL a new RCM and CARRY OUT PMI. REFER to Restraints Control Module (RCM) .
B2909	Belt Tension Sensor Fault	OCSM	Go to Pinpoint Test Q .
C1414	Incorrect Module Design Level	RCM	Go to Pinpoint Test R .
C1941	Zero Seat Weight Test Failure	OCSM	Can only be reported when carrying out System Reset. REFER to Occupant Classification Sensor - Original Equipment or Occupant Classification Sensor - Service Kit .
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 .
U0151	Lost Communication with Restraints Control Module (RCM)	OCSM	REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the communication concern.
U0300	Internal Control Module Software Incompatibility	RCM	INSTALL a new RCM and CARRY OUT PMI. REFER to Restraints Control Module (RCM) .
U1900	CAN Communication Bus Fault - Receive Error	RCM	VIEW and RECORD U1900 fault PIDs to determine the module with the concern. REFER to MODULE CONFIGURATION article to diagnosis the HS-CAN/module concern.
U2050	No Application Present	RCM	INSTALL a new RCM and CARRY OUT PMI. REFER to Restraints Control Module (RCM) .
U2050	No Application Present	OCSM	NOTE: If no on-demand or continuous DTC is present in the RCM and DTC U2050 is only present in the OCSM continuous, CLEAR all OCSM DTCs and PROVE OUT the system. INSTALL a new OCS service kit.
U2051	One or More Calibration Files Missing/Corrupt	RCM	INSTALL a new RCM and CARRY OUT PMI. REFER to Restraints Control Module (RCM) .
U2051	One or More Calibration Files Missing/Corrupt	OCSM	INSTALL a new OCS system service kit.

^a DTC: Diagnostic trouble code, retrieved using scan tool.