OBD code C0042 indicates a fault with the Brake Pedal Position Sensor in the AntiLock Brake System (ABS).
Symptoms include the ABS Warning Light and Engine Light being illuminated.
The issue is commonly caused by a faulty sensor, wiring harness issues, or poor electrical connections.
It is crucial to address promptly to ensure safe braking operation.
A possible fix involves inspecting and repairing the sensor, wiring, and connectors for any damage or poor connections.
| 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 c0042 OBD Code
The vehicle displays an issue related to the wheel speed sensor circuit on the left front wheel.
- 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 from the ABS system.
Causes of the c0042 OBD Code
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Possible triggers for fault code C0042 include issues with the right front wheel speed sensor.
- C0042 can be caused by a faulty Brake Pedal Position Sensor.
- A Brake Pedal Position Sensor harness that is open or shorted.
- A Brake Pedal Position Sensor circuit with a poor electrical connection.
Fixing Error Code c0042 Step By Step
Repair involves inspecting wheel speed sensor wiring and connections for faults or damage.
- To fix OBDII code C0042, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the Electronic Brake Control Module (EBCM).
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If any issues are found during the inspection, repair or replace the damaged wiring or connectors as necessary.
- Clear the fault code using a scan tool and test drive the vehicle to ensure the issue has been resolved.
Cost Of Fixing c0042 Fault Code
Diagnosing and repairing fault code C0042 typically involves inspecting and possibly replacing the left front wheel speed sensor.
The cost to diagnose and fix OBD code C0042 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 c0042 OBD Code
C0042 code indicates a problem with the right front wheel speed sensor circuit.
OBD code C0042 means Right Rear Wheel Speed Sensor Circuit Range/Performance on a vehicle.
This code is triggered by the Electronic Brake Control Module (EBCM) when it detects that the signal from the right rear wheel speed sensor is out of the expected range or not performing within specified parameters.
The system involved in this code is the AntiLock Braking System (ABS) and Traction Control System (TCS), as they rely on accurate wheel speed data to function properly.
Mechanic’s Tech Notes
Code C0042 indicates a faulty right front wheel speed sensor circuit.
OBDII code C0042 typically indicates a fault with the right rear wheel speed sensor circuit.
To diagnose this issue, start by visually inspecting the wiring harness and connectors related to the right rear wheel speed sensor.
Look for any signs of damage, corrosion, or loose connections.
Use a voltmeter to check for proper voltage at the sensor connector.
Additionally, a scan tool can help verify communication between the sensor and the vehicle’s control module.
If necessary, reflash the control module to address any softwarerelated issues.
FAQ
OBD code C0042 indicates an issue with the Brake Pedal Position Sensor. Symptoms include ABS and Engine warning lights. Check sensor, harness, and connections for faults.
Common symptoms for OBD code C0042 include ABS warning light on, engine light on, caused by faulty brake pedal position sensor. Fix: Inspect sensor and wiring for issues.
Diagnose and repair OBD code C0042 by checking the brake pedal position sensor and its wiring for faults. Inspect connectors for damage or corrosion.
Wrap Up
If your ABS warning light is on and you see OBDII code c0042, it may indicate a faulty rear wheel speed sensor, damaged wiring harness, or poor electrical connection in the rear left wheel speed sensor circuit.
To address OBDII code c0042, inspect the rear left wheel speed sensor and its wiring for any visible damage.
Test the sensor’s resistance and check the connector for corrosion or loose pins.
Replace the sensor if necessary and repair any wiring issues found.
