OBD code C1251 indicates a fault in the ABS motor relay circuit.
This affects the AntiLock Brake System (ABS) and can trigger the ABS warning light and engine light to illuminate.
Common causes include a faulty ABS motor relay, wiring issues, or a defective Skid Control ECU.
This issue should be addressed promptly to ensure safe braking operation.
A possible fix involves inspecting and repairing any damaged wiring or connectors related to the ABS motor relay circuit.
| 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 c1251 OBD Code
The vehicle displays an ABS warning light on the dashboard with fault code C1251 stored.
- With OBD code C1251, symptoms may include: AntiLock Brake System (ABS) Warning Light ON.
- Engine Light ON (or Service Engine Soon Warning Light).
- Braking performance may feel abnormal.
- The vehicle may exhibit unusual noises during braking.
- The ABS system may not function properly.
Causes of the c1251 OBD Code
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C1251 code typically indicates a malfunction in the ABS pump motor circuit.
- C1251 can be caused by a faulty ABS Motor Relay.
- A malfunctioning ABS Motor Relay harness that is open or shorted.
- An ABS Motor Relay circuit with poor electrical connection.
- A faulty Skid Control ECU.
Fixing Error Code c1251 Step By Step
Resolve fault code C1251 by inspecting and repairing the ABS pump motor circuit as needed.
- To fix OBDII code C1251, first, review the possible causes related to this fault code.
- Visually inspect the wiring harness and connectors associated with the ABS system.
- Check for any damaged components or signs of wear.
- Inspect the connector pins for any issues like being broken, bent, pushed out, or corroded.
- Repair or replace any damaged wiring or connectors as necessary.
- Clear the fault code from the vehicle’s computer using a scan tool.
- Test drive the vehicle to verify that the issue has been resolved.
Cost Of Fixing c1251 Fault Code
Diagnosing and repairing fault code C1251 typically involves inspecting and servicing the vehicle’s ABS system.
The cost to diagnose and fix OBD code C1251 depends on the estimated 1. 0hour repair time.
Labor rates range from $75 to $150 per hour, so the general cost could be between $75 and $150. Factors like shop rates and the complexity of the repair can influence the final cost.
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Details of the c1251 OBD Code
Code C1251 relates to a malfunction in the ABS pump motor circuit.
OBD code C1251 means a malfunction has been detected in the ABS pump motor relay circuit.
This code is triggered by the ABS control module when it detects an issue with the relay circuit for the ABS pump motor.
The ABS pump motor relay circuit is part of the Antilock Braking System (ABS) that controls the operation of the ABS pump motor.
When this circuit malfunctions, it can affect the proper operation of the ABS system, potentially compromising vehicle safety.
Mechanic’s Tech Notes
Code C1251 indicates a malfunction in the ABS pump motor circuit.
To diagnose and fix OBDII code C1251, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) network with 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 C1251 fault code.
FAQ
OBD code C1251 indicates an issue with the ABS motor relay circuit. Check for faulty relay, wiring harness issues, or problems with the Skid Control ECU.
Common symptoms for OBD code C1251 include ABS Warning Light and Engine Light ON. Possible causes are faulty ABS Motor Relay or Skid Control ECU. Inspect wiring and connectors for damage.
Diagnose and repair OBD code C1251 by checking ABS motor relay, harness, and Skid Control ECU. Inspect wiring for damage or poor connections.
Wrap Up
If your ABS warning light is on and you see OBDII code c1251, it may indicate a problem with the ABS pump motor relay circuit.
This could be caused by a faulty relay, damaged wiring, or poor connections in the circuit.
To address OBDII code c1251, start by checking the ABS pump motor relay and its connections.
Inspect the wiring harness for any signs of damage or corrosion.
Test the relay for proper operation and replace it if necessary.
Ensure all connections are secure to resolve the issue.
