The OBD code C14A7 indicates a fault with the Trailer Brake Control ECU.
Symptoms include the ABS and Engine warning lights being illuminated.
This issue is caused by a faulty ECU, open/shorted harness, or poor electrical connection.
It is a moderate concern.
To fix, inspect the ECU, wiring harness, and connectors for any damage or corrosion, ensuring connector pins are intact.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
Symptoms of the c14a7 OBD Code
The vehicle displays a warning light indicating a fault with the c14a7 code.
- When OBD code C14A7 occurs, symptoms may include: AntiLock Brake System (ABS) Warning Light ON.
- Engine Light ON (or Service Engine Soon Warning Light).
- These warning lights may indicate a fault in the ABS system.
Causes of the c14a7 OBD Code
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Possible triggers for fault code c14a7 include issues with the steering angle sensor.
- C14A7 can be caused by a faulty Trailer Brake Control ECU.
- A Trailer Brake Control ECU harness that is open or shorted.
- A Trailer Brake Control ECU circuit with poor electrical connection.
Fixing Error Code c14a7 Step By Step
Replace the faulty brake pedal switch to address fault code c14a7.
- To fix OBDII code C14A7, first, review the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with the ABS system.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Ensure all connections are secure and free of corrosion.
- Test the ABS module for proper operation and communication.
- Reset the ABS module if necessary.
- Consider replacing the ABS module if all other steps do not resolve the issue.
Cost Of Fixing c14a7 Fault Code
Diagnosing and repairing fault code c14a7 may involve inspecting and replacing the steering angle sensor.
The cost to diagnose and fix OBD code C14A7 depends on the estimated 1. 0hour repair time.
Labor rates range from $75 to $150 per hour, so the total cost could be between $75 and $150. Factors like shop rates and complexity of the repair can also affect the final cost.
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Details of the c14a7 OBD Code
Fault code C14A7 relates to a fault in the electronic steering column lock control module.
OBD code C14A7 means Left Rear Turn Lamp Circuit Short to Ground.
This code is triggered by the Body Control Module (BCM) when it detects a short to ground in the circuit for the left rear turn lamp.
The BCM monitors the voltage levels in the turn signal circuits, and when it detects a voltage that is lower than expected due to a short to ground, it sets this diagnostic trouble code (DTC) C14A7.
Mechanic’s Tech Notes
This fault code indicates a problem with the vehicle’s transmission control module communication circuit.
To diagnose OBDII code C14A7, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using a scan tool.
If the TCM does not respond, reprogramming or reflashing may be necessary.
Visually inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.
Address any issues found during the inspection to resolve the C14A7 fault code.
FAQ
OBD code C14A7 indicates an issue with the Trailer Brake Control ECU. Symptoms include ABS and Engine warning lights. Check ECU, harness, and connections for faults.
Common symptoms for OBD code C14A7 include ABS warning light on, engine light on, caused by faulty trailer brake control ECU or related wiring issues. Fix: Inspect and repair wiring connections.
Diagnose OBD code C14A7 by checking Trailer Brake Control ECU and harness for faults. Inspect wiring for damage or poor connections.
Wrap Up
If your vehicle is displaying OBDII code c14a7, you may experience issues with the transmission system such as harsh shifting, slipping gears, or even the transmission going into limp mode.
This code typically indicates a problem with the transmission fluid pressure sensor circuit, possibly due to a faulty sensor, damaged wiring, or poor electrical connections.
To address OBDII code c14a7, start by inspecting the wiring harness and connectors related to the transmission fluid pressure sensor.
Look for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper operation and replace it if
