LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2010 >> Explorer 4.0 E, AWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Air Bag Supplement Restraint Systems DTCS >> Restraints Control Module (RCM) DTC Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Restraints Control Module (RCM) DTC Chart

Restraints Control Module (RCM) DTC Chart

DTC Description Action To Take
Continuous lamp The Air Bag Indicator is Illuminated Continuously GO to PINPOINT TEST A .
B1085 Restraint System - Seatbelt Load Limiter Status GO to PINPOINT TEST B .
B1118 Passenger Front Crash Sensor Mount/Communication Fault
(RH front impact severity sensor)
GO to PINPOINT TEST C .
B1135 Passenger Front Crash Sensor Internal Fault
(RH front impact severity sensor)
INSTALL a new passenger front crash sensor. REFER to FRONT IMPACT SEVERITY SENSOR .
B1231 Event Threshold Exceeded INSTALL a new Restraints Control Module (RCM) and impact sensors. REFER to INSPECTION AND REPAIR AFTER A SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPLOYMENT .
B1317 Battery Voltage High GO to PINPOINT TEST AB .
B1318 Battery Voltage Low GO to PINPOINT TEST AB .
B1342 ECU is Faulted INSTALL a new RCM  . REFER to RESTRAINTS CONTROL MODULE (RCM) .
B1884 PAD  Warning Lamp Circuit Failure GO to PINPOINT TEST D .
B1890 PAD  Warning Lamp Circuit Short to Battery GO to PINPOINT TEST E .
B2290 Occupant Classification System Fault
NOTE: If no on-demand or continuous DTC is 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 Supplemental Restraint System (SRS).
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 G .
B2293 Restraint System - Air Bag Fault GO to PINPOINT TEST H .
B2294 Restraint System - Curtain Fault GO to PINPOINT TEST I .
B2295 Restraint System - Side Air Bag Fault GO to PINPOINT TEST J .
B2296 Restraint System - Impact Sensor Fault GO to PINPOINT TEST K .
B2434 Drivers Seat Belt Buckle Switch Circuit Short to Ground GO to PINPOINT TEST L .
B2435 Drivers Seat Belt Buckle Switch Resistance Out of Range GO to PINPOINT TEST M .
B2438 Passengers Seat Belt Buckle Switch Short to Ground GO to PINPOINT TEST N .
B2439 Passengers Seat Belt Buckle Switch Resistance Out of Range GO to PINPOINT TEST O .
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, DTCs will result.
CARRY OUT Programmable Module Installation (PMI). REFER to MODULE CONFIGURATION .
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, DTCs will result.
CARRY OUT Programmable Module Installation (PMI). REFER to MODULE CONFIGURATION .
B2691 Seat Belt Buckle Switch Circuit Fault, Front Driver's Side GO to PINPOINT TEST P .
B2692 Front Passenger's Seat Belt Buckle Switch Circuit Fault GO to PINPOINT TEST Q .
B2792 Cross Link Between Firing Loops GO to PINPOINT TEST R .
B2984 Deployable Steering Column Circuit Open GO to PINPOINT TEST S .
B2985 Deployable Steering Column Circuit Short to Battery GO to PINPOINT TEST T .
B2986 Deployable Steering Column Circuit Short to Ground GO to PINPOINT TEST U .
B2987 Deployable Steering Column Circuit Resistance Low on Squib GO to PINPOINT TEST S .
C1414 Incorrect Module Design Level
NOTE: When installing a new RCM  , always make sure the correct RCM  is being installed. If an incorrect RCM  is installed, DTCs will result.
CARRY OUT Programmable Module Installation (PMI). REFER to MODULE CONFIGURATION .
C1946 Front Driver's Seat Track Position Switch Circuit Open GO to PINPOINT TEST X .
C1947 Front Driver's Seat Track Position Switch Circuit Short to Ground GO to PINPOINT TEST Y .
C1948 Front Driver's Seat Track Position Switch Circuit Resistance Out of Range GO to PINPOINT TEST Z .
C1981 Front Driver's Seat Track Position Switch Circuit Fault GO to PINPOINT TEST AA .
U0300 Internal Control Module Software Incompatibility
NOTE: When installing a new RCM  , always make sure the correct RCM  is being installed. If an incorrect RCM  is installed, DTCs will result.
CARRY OUT Programmable Module Installation (PMI). REFER to MODULE CONFIGURATION .
U1900 CAN Communication Bus Fault - Receive Error
NOTE: DTC U1900 will set in a module that is reporting a communication fault from another module on the data bus. The module that reports the fault is not the problem module. Do not install a new RCM  as part of repair for a RCM  DTC U1900 fault.
VIEW and RECORD IC_MSG_ RCM  , PCM_MSG_ RCM  and OCS  _MSG_ RCM  fault PIDs to determine the module with the concern. REFER to MODULE COMMUNICATIONS NETWORK to diagnose the High Speed Controller Area Network (HS-CAN)/module concern.
U2050 No Application Present
NOTE: When installing a new RCM  , always make sure the correct RCM  is being installed. If an incorrect RCM  is installed, DTCs will result.
INSTALL a new RCM  . REFER to RESTRAINTS CONTROL MODULE (RCM) .
U2051 One or More Calibration Files Missing/Corrupt
NOTE: When installing a new RCM  , always make sure the correct RCM  is being installed. If an incorrect RCM  is installed, DTCs will result.
CARRY OUT Programmable Module Installation (PMI). REFER to MODULE CONFIGURATION .