B2316
Mirror Passenger Vertical Feedback Potentiometer Circuit Failure
B2316 is an OBD-II diagnostic trouble code meaning: Mirror Passenger Vertical Feedback Potentiometer Circuit Failure. Common causes: open or short circuit in wiring harness, vertical adjustment potentiometer malfunction. Estimated repair cost: $22–111.
Symptoms
- Passenger mirror is not vertically adjustable
- The mirror moves jerkily or does not hold position
- Fault indication on the instrument panel (if provided)
Causes
- Open or short circuit in wiring harness
- Vertical adjustment potentiometer malfunction
- Oxidation or corrosion of contacts
- Problems with the mirror control unit
How to Fix
- Check the integrity of the wiring harness to the passenger mirror
- Inspect contacts and connectors for oxidation
- Check the resistance of the potentiometer (compare with reference values)
- If necessary, replace the potentiometer or mirror control unit
Related codes
FAQ
What does the B2316 code mean?
B2316 is an OBD-II diagnostic trouble code that indicates: Mirror Passenger Vertical Feedback Potentiometer Circuit Failure
What causes a B2316 error code?
The most common causes of B2316 include: Open or short circuit in wiring harness; Vertical adjustment potentiometer malfunction; Oxidation or corrosion of contacts; Problems with the mirror control unit.
How do I fix a B2316 diagnostic trouble code?
To fix B2316: Check the integrity of the wiring harness to the passenger mirror. Inspect contacts and connectors for oxidation. Check the resistance of the potentiometer (compare with reference values). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2316?
Do not drive — repair immediately
How much does it cost to fix B2316?
The estimated repair cost for B2316 is $22–111. Actual cost depends on your vehicle, location, and labor rates.
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