Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2009RANGER 4D PICKUP EXTRA CAB, 4WD, STANDARDREPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXSUPPLEMENTAL RESTRAINTS SYSTEMS DTCSRESTRAINTS CONTROL MODULE (RCM)
2009 Ford Ranger 4D Pickup Extra Cab, 4WD, Standard
Restraints Control Module (RCM)
2009 Ford Ranger 4D Pickup Extra Cab, 4WD, StandardSECTION Restraints Control Module (RCM)
RESTRAINTS CONTROL MODULE (RCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action To Take |
|---|---|---|
| Continuous Lamp | The Air Bag Indicator is Illuminated Continuously | Go To PINPOINT TEST A . |
| B1118 | Passenger Front Crash Sensor Mount/Communication Fault | Go To PINPOINT TEST B . |
| B1135 | Passenger Front Crash Sensor Internal Fault | INSTALL a new passenger front impact severity sensor. REFER to FRONT IMPACT SEVERITY SENSOR . |
| B1231 | Event Threshold Exceeded (Crash Data Memory Full) | INSTALL 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 U . |
| B1318 | Battery Voltage Low | Go To PINPOINT TEST U . |
| B1342 | ECU is Faulted | INSTALL a new RCM . REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| B1884 | PAD Warning Lamp Circuit Failure | Go To PINPOINT TEST C . |
| B1890 | PAD Warning Lamp Circuit Short to Battery | Go To PINPOINT TEST D . |
| 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 DTCs. |
| B2292 | Restraint System - Seatbelt Pretensioner Fault (Driver Pretensioner Circuit Fault) | Go To PINPOINT TEST F . |
| B2292 | Restraint System - Seatbelt Pretensioner Fault (Passenger Pretensioner Circuit Fault) | Go To PINPOINT TEST F . |
| B2293 | Restraint System - Air Bag Fault (Driver Front Air Bag Circuit Fault) | Go To PINPOINT TEST G . |
| B2293 | Restraint System - Air Bag Fault (Passenger Front Air Bag Circuit Fault) | Go To PINPOINT TEST G . |
| B2296 | Restraint System - Impact Sensor Fault (Driver Front Impact Severity Sensor Circuit Fault) | Go To PINPOINT TEST H . |
| B2434 | Drivers Seat Belt Buckle Switch Circuit Short to Ground | Go To PINPOINT TEST I . |
| B2435 | Drivers Seat Belt Buckle Switch Resistance Out of Range | Go To PINPOINT TEST J . |
| B2438 | Passenger Seat Belt Buckle Switch Short to Ground | Go To PINPOINT TEST K . |
| B2439 | Passenger Seat Belt Buckle Switch Resistance Out of Range | Go To PINPOINT TEST L . |
| B2477 | Module Configuration Failure | INSTALL a new RCM . REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| B2607 | Harness/Configuration Mismatch | INSTALL a new RCM . REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| B2691 | Seat Belt Buckle Switch Circuit Fault, Front Driver's Side | Go To PINPOINT TEST M . |
| B2692 | Front Passenger's Seat Belt Buckle Switch Circuit Fault | 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) | Go To PINPOINT TEST O . |
| C1414 | Incorrect Module Design Level (Incorrect Vehicle Application) | INSTALL a new RCM . REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| C1946 | Front Driver's Seat Track Position Switch Circuit Open | Go To PINPOINT TEST Q . |
| C1947 | Front Driver's Seat Track Position Switch Circuit Short to Ground | Go To PINPOINT TEST R . |
| C1948 | Front Driver's Seat Track Position Switch Circuit Resistance Out of Range | Go To PINPOINT TEST S . |
| C1981 | Front Driver's Seat Track Position Switch Circuit Fault | Go To PINPOINT TEST T . |
| U0300 | Internal Control Module Software Incompatibility | INSTALL a new RCM . REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| 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 U1900 fault PIDs to determine the module with the concern. REFER to
MODULE COMMUNICATIONS NETWORK
to diagnosis the High Speed Controller Area Network (HS-CAN)/module concern. |
| U2050 | No Application Present | INSTALL a new RCM . REFER to RESTRAINTS CONTROL MODULE (RCM) . |
| U2051 | One or More Calibration Files Missing/Corrupt | INSTALL a new RCM . REFER to RESTRAINTS CONTROL MODULE (RCM) . |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.