C1230
Rear Anti-Lock Brake Sensor
C1230 is an OBD-II diagnostic trouble code meaning: Rear Anti-Lock Brake Sensor. Common causes: broken or damaged sensor wiring harness, abs sensor is dirty or damaged. Estimated repair cost: $56–167.
Symptoms
- The ABS indicator on the dashboard lights up
- Disabling the ABS system
- Uneven braking
- Reduced braking efficiency on slippery roads
Causes
- Broken or damaged sensor wiring harness
- ABS sensor is dirty or damaged
- ABS control unit malfunction
- Problems with the gear ring (gearbox) on the hub
How to Fix
- Check the integrity of the sensor wiring harness
- Clean the sensor from dirt
- Check sensor resistance (must meet specification)
- Replace ABS sensor if necessary
- Check the condition of the gear ring on the hub
Related codes
FAQ
What does the C1230 code mean?
C1230 is an OBD-II diagnostic trouble code that indicates: Rear Anti-Lock Brake Sensor
What causes a C1230 error code?
The most common causes of C1230 include: Broken or damaged sensor wiring harness; ABS sensor is dirty or damaged; ABS control unit malfunction; Problems with the gear ring (gearbox) on the hub.
How do I fix a C1230 diagnostic trouble code?
To fix C1230: Check the integrity of the sensor wiring harness. Clean the sensor from dirt. Check sensor resistance (must meet specification). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1230?
Limited driving only, diagnose soon
How much does it cost to fix C1230?
The estimated repair cost for C1230 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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