OBD code C1126 indicates an issue with the ABS Actuator/Electric Unit in the vehicle’s AntiLock Brake System.
Symptoms include the ABS Warning Light and Engine Light being illuminated.
This can be caused by a faulty ABS Actuator/Electric Unit, open or shorted harness, or poor electrical connection.
It is a serious issue that requires immediate attention.
To fix it, inspect the wiring harness and connectors for any damage or corrosion, and check the connector pins for any issues.
Repair Importance Level | 10.0 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the c1126 OBD Code
The vehicle displays a warning light indicating an issue with the ABS system (C1126).
- Symptoms: AntiLock Brake System (ABS) Warning Light ON.
- Engine Light ON (or Service Engine Soon Warning Light).
- Possible loss of ABS functionality.
- Brake pedal may feel different during braking.
- Unusual noises coming from the ABS system.
Causes of the c1126 OBD Code
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Possible reasons for fault code C1126 include issues with the steering angle sensor or its circuit.
- C1126 can be caused by a faulty ABS Actuator/Electric Unit.
- An open or shorted ABS Actuator/Electric Unit harness.
- A poor electrical connection to the ABS Actuator/Electric Unit.
Fixing Error Code c1126 Step By Step
Resolve fault code C1126 by inspecting the ABS wheel speed sensor for damage or malfunction.
- To fix OBDII code C1126, start by reviewing the possible causes and visually inspecting the wiring harness and connectors associated with the ABS system.
- Check for any damaged components and examine the connector pins for signs of being broken, bent, pushed out, or corroded.
- Test the wheel speed sensors for proper operation and signal output.
- Inspect the ABS control module for any faults or damage.
- Reset the ABS module using a scan tool to clear any stored fault codes.
- If the issue persists, consider replacing the faulty wheel speed sensor or the ABS control module as needed.
Cost Of Fixing c1126 Fault Code
Diagnosing and repairing fault code C1126 may involve inspecting and servicing the vehicle’s brake switch circuit.
The cost to diagnose and fix OBD code C1126 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour.
The total cost will vary based on shop rates, complexity of the issue, and any additional parts or services needed.
Details of the c1126 OBD Code
C1126 indicates an issue with the steering angle sensor circuit in the vehicle.
OBD code C1126 means the ABS hydraulic pump motor circuit is shorted to ground.
This code is triggered by the ABS control module when it detects a short to ground in the circuit that controls the hydraulic pump motor.
This can lead to issues with the ABS system functioning properly, potentially affecting the vehicle’s ability to brake safely in certain conditions.
Mechanic’s Tech Notes
Code C1126 indicates an issue with the brake switch circuit in the vehicle’s ABS system.
OBDII code C1126 relates to a fault with the brake fluid level sensor circuit.
To diagnose, use a multimeter to check the sensor’s wiring harness and connector for damage or corrosion.
Ensure the connector pins are intact.
Scan tools can verify communication between the sensor and the TCM over the CAN network.
If no issues are found with the wiring or connections, the sensor itself may need replacement.
Reflashing the TCM could also be necessary to clear the fault code.
FAQ
OBD code C1126 indicates an issue with the ABS Actuator/Electric Unit. Symptoms include ABS and Engine warning lights. Check wiring harness and connectors for damage.
Common symptoms of OBD code C1126 include ABS warning light and engine light on. Causes may be faulty ABS actuator, harness issues. Fix: Inspect wiring and connectors for damage.
Diagnose and repair OBD code C1126 by checking ABS Actuator/Electric Unit, harness, and connections for faults. Inspect wiring for damage or corrosion.

Wrap Up
If your ABS warning light is on and you see OBDII code c1126, it may indicate a malfunction in the steering angle sensor circuit.
This could be caused by a faulty steering angle sensor, damaged wiring, or poor connections in the sensor circuit.
To address OBDII code c1126, start by inspecting the wiring harness and connectors related to the steering angle sensor.
Look for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper operation and replace if necessary to resolve the issue.