C1407
Open Or Short In Rear Speed Sensor Right Circuit
C1407 is an OBD-II diagnostic trouble code meaning: Open Or Short In Rear Speed Sensor Right Circuit. Common causes: broken or damaged wiring harness to the sensor, short circuit in the sensor circuit. Estimated repair cost: $33–111.
Symptoms
- ABS or ESP indicator is on
- Anti-lock braking system not working
- Incorrect operation of cruise control
- Lost speed data on dashboard
Causes
- Broken or damaged wiring harness to the sensor
- Short circuit in the sensor circuit
- Malfunction of the speed sensor itself
- Problems with the sensor connector (oxidation, contamination)
- ABS/ESP module malfunction
How to Fix
- Check the integrity of the wiring harness to the sensor
- Inspect the sensor connector for damage or corrosion.
- Check the sensor resistance (usually 800-2200 Ohm)
- Check the sensor signal using an oscilloscope
- If necessary, replace the speed sensor or repair the wiring harness
Related codes
FAQ
What does the C1407 code mean?
C1407 is an OBD-II diagnostic trouble code that indicates: Open Or Short In Rear Speed Sensor Right Circuit
What causes a C1407 error code?
The most common causes of C1407 include: Broken or damaged wiring harness to the sensor; Short circuit in the sensor circuit; Malfunction of the speed sensor itself; Problems with the sensor connector (oxidation, contamination).
How do I fix a C1407 diagnostic trouble code?
To fix C1407: Check the integrity of the wiring harness to the sensor. Inspect the sensor connector for damage or corrosion.. Check the sensor resistance (usually 800-2200 Ohm). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1407?
Limited driving only, diagnose soon
How much does it cost to fix C1407?
The estimated repair cost for C1407 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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