OBD code C0048 indicates a fault with the Brake Booster Travel Sensor in the AntiLock Brake System (ABS).
Symptoms include the ABS warning light and engine light being illuminated.
This issue is commonly caused by a faulty sensor, open/shorted sensor harness, or poor electrical connection.
It is a moderate concern.
To fix, inspect the sensor, wiring harness, 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 c0048 OBD Code
The vehicle displays a warning light indicating an issue with the right rear wheel speed sensor.
- 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 c0048 OBD Code
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Possible reasons for fault code C0048 include issues with the right rear wheel speed sensor.
- C0048 can be caused by a Faulty Brake Booster Travel Sensor.
- A Brake Booster Travel Sensor harness that is open or shorted.
- A Brake Booster Travel Sensor circuit with poor electrical connection.
Fixing Error Code c0048 Step By Step
Replace the faulty wheel speed sensor to address fault code C0048.
- To fix OBDII code C0048, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the wheel speed sensor circuit.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Test the wheel speed sensor using a multimeter to ensure it is functioning correctly.
- Replace the wheel speed sensor if it is faulty.
- Clear the fault codes using a scan tool and test drive the vehicle to verify the repair.
Cost Of Fixing c0048 Fault Code
Diagnosing and repairing fault code C0048 may involve inspecting and replacing the right rear wheel speed sensor.
The cost to diagnose and fix OBD code C0048 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.
The total cost depends on labor rates, shop fees, and the complexity of the repair needed.
Details of the c0048 OBD Code
C0048 indicates an issue with the right rear wheel speed sensor circuit.
OBD code C0048 indicates a problem with the right rear wheel speed sensor circuit.
This code is triggered by the Electronic Brake Control Module (EBCM) when it detects an issue with the signal from the right rear wheel speed sensor.
The EBCM uses this sensor to monitor the speed of the right rear wheel for proper ABS and traction control system operation.
If the sensor or its circuit has a fault, the EBCM will set code C0048.
Mechanic’s Tech Notes
Code C0048 indicates an issue with the right rear wheel speed sensor circuit.
OBDII code C0048 indicates a problem with the brake pedal switch circuit.
To diagnose, use a voltmeter to check the brake pedal switch for proper operation and continuity.
Inspect the wiring harness and connectors for any damage, corrosion, or loose connections.
Ensure the brake pedal switch is adjusted correctly.
Use a scan tool to monitor brake switch data and confirm proper signal output.
If necessary, replace the brake pedal switch or repair any damaged wiring.
Clear the code and test drive the vehicle to verify the issue is resolved.
FAQ
OBD code C0048 indicates an issue with the Brake Booster Travel Sensor. Symptoms include ABS and Engine warning lights. Check sensor, harness, and connections for faults.
Common symptoms for OBD code C0048 include ABS warning light on, engine light on. Causes may be faulty brake booster travel sensor or related wiring issues. Fix: Inspect and repair as needed.
Diagnose and repair OBD code C0048 by checking the Brake Booster Travel Sensor and its wiring for faults. Inspect connectors for damage or corrosion.
Wrap Up
If your ABS warning light is on and you retrieve OBDII code c0048, it may indicate a fault in the right rear wheel speed sensor circuit.
This could be caused by a damaged wheel speed sensor, faulty wiring connections, or a corroded connector.
To address OBDII code c0048, start by inspecting the wiring harness and connectors leading to the right rear wheel speed sensor.
Look for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper operation and replace if necessary.
