C0186
Lateral Accelerometer Circuit
C0186 is an OBD-II diagnostic trouble code meaning: Lateral Accelerometer Circuit. Common causes: open or short circuit in the sensor circuit, oxidation of contacts in connectors. Estimated repair cost: $56–167.
Symptoms
- SRS/Airbag light is on
- The passive safety system may not operate in a side impact.
- Error C0186 is stored in the control unit memory
Causes
- Open or short circuit in the sensor circuit
- Oxidation of contacts in connectors
- Side accelerometer malfunction
- Wiring harness damage
- SRS control unit malfunction
How to Fix
- Conduct a visual inspection of the wiring harness and connectors
- Check the resistance and continuity of the sensor circuit
- Check the power supply and ground of the sensor
- If necessary, replace the side accelerometer
- Clear error codes and check if error is returned
Related codes
Error C0186 by Vehicle Brand
FAQ
What does the C0186 code mean?
C0186 is an OBD-II diagnostic trouble code that indicates: Lateral Accelerometer Circuit
What causes a C0186 error code?
The most common causes of C0186 include: Open or short circuit in the sensor circuit; Oxidation of contacts in connectors; Side accelerometer malfunction; Wiring harness damage.
How do I fix a C0186 diagnostic trouble code?
To fix C0186: Conduct a visual inspection of the wiring harness and connectors. Check the resistance and continuity of the sensor circuit. Check the power supply and ground of the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0186?
Do not drive — repair immediately
How much does it cost to fix C0186?
The estimated repair cost for C0186 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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