B1D18
Passenger Mirror Horizontal Position Sensor Input Circuit Low
B1D18 is an OBD-II diagnostic trouble code meaning: Passenger Mirror Horizontal Position Sensor Input Circuit Low. Common causes: open or short circuit in wiring harness, poor contact in the sensor connector. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of the automatic adjustment of the passenger mirror
- Mirror does not save position in memory
- The mirror moves jerkily or does not respond to commands
Causes
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Mirror position sensor malfunction
- Problems with the mirror control module
How to Fix
- Check the integrity of the wiring harness to the mirror
- Clean the contacts in the sensor and control module connectors
- Check the resistance of the position sensor
- If necessary, replace the sensor or control module
Related codes
FAQ
What does the B1D18 code mean?
B1D18 is an OBD-II diagnostic trouble code that indicates: Passenger Mirror Horizontal Position Sensor Input Circuit Low
What causes a B1D18 error code?
The most common causes of B1D18 include: Open or short circuit in wiring harness; Poor contact in the sensor connector; Mirror position sensor malfunction; Problems with the mirror control module.
How do I fix a B1D18 diagnostic trouble code?
To fix B1D18: Check the integrity of the wiring harness to the mirror. Clean the contacts in the sensor and control module connectors. Check the resistance of the position sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1D18?
Limited driving only, diagnose soon
How much does it cost to fix B1D18?
The estimated repair cost for B1D18 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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