C0104 Code - Front ABS Wheel Speed Sensor Left
Quick Answer
The Anti-Lock Brake System (ABS) Module monitors the Front ABS Wheel Speed Sensor Left. Common causes include Faulty Front ABS Wheel Speed Sensor Left, Front ABS Wheel Speed Sensor Left harness is open or shorted, Front ABS Wheel Speed Sensor Left circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C0104 indicates Front ABS Wheel Speed Sensor Left.
- Common causes
- Common causes include Faulty Front ABS Wheel Speed Sensor Left, Front ABS Wheel Speed Sensor Left harness is open or shorted, Front ABS Wheel Speed Sensor Left circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code C0104 Description
What are the Possible Causes of the DTC C0104?
- Faulty Front ABS Wheel Speed Sensor Left
- Front ABS Wheel Speed Sensor Left harness is open or shorted
- Front ABS Wheel Speed Sensor Left circuit poor electrical connection
How to Fix the DTC C0104?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C0104 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the C0104 code?
Need more information on how to fix the C0104 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C0104 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C0104 Subaru — Front ABS Wheel Speed Sensor Left
Frequently Asked Questions about C0104 Code
1. What are common symptoms of OBDII code C0104 (Front ABS Wheel Speed Sensor Left)?
Symptoms may include the ABS warning light illuminating on the dashboard, loss of ABS functionality, and potential issues with traction control.
2. What can cause OBDII code C0104 to trigger?
The code C0104 is typically triggered by a faulty front ABS wheel speed sensor on the left side of the vehicle. This sensor may be damaged, dirty, or malfunctioning.
3. How can I diagnose the Front ABS Wheel Speed Sensor Left issue associated with code C0104?
Diagnosis involves using an OBDII scanner to read the code, visually inspecting the sensor and its wiring for damage, and possibly testing the sensor's electrical resistance.
4. Is it safe to continue driving with OBDII code C0104 active?
It is not recommended to drive with an active C0104 code, as it may affect the proper functioning of the ABS system and compromise vehicle safety.
5. Can a DIY enthusiast repair OBDII code C0104 at home?
Depending on the cause, DIY repair may be possible. Replacing the front ABS wheel speed sensor left yourself is feasible for those with intermediate automotive repair skills.
6. Are there any tips for repairing OBDII code C0104?
Ensure the sensor and its mounting area are clean before installing a new sensor. It's also important to clear the code after replacing the sensor to reset the system.
7. What is the typical cost to repair OBDII code C0104?
The cost of repairing OBDII code C0104 can vary depending on the make and model of the vehicle, the labor rates in your area, and whether you choose to replace the sensor yourself or have it done professionally.
8. Can weather or road conditions affect the Front ABS Wheel Speed Sensor Left and trigger code C0104?
Yes, extreme weather conditions or driving on rough terrain can potentially damage the sensor or its wiring, leading to the activation of code C0104.
9. How long does it usually take to repair OBDII code C0104?
Repair times can vary depending on the accessibility of the sensor and the complexity of the repair. In general, it may take anywhere from 1-2 hours to replace the front ABS wheel speed sensor left.
10. Is it necessary to have the OBDII code C0104 cleared after repairing the issue?
Yes, it's essential to clear the code after repairing the problem to reset the ABS system and ensure the warning light does not reappear.
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