B1746
Mirror Passenger Horizontal Switch Circuit Open
B1746 is an OBD-II diagnostic trouble code meaning: Mirror Passenger Horizontal Switch Circuit Open. Common causes: broken or damaged wiring harness, mirror switch malfunction. Estimated repair cost: $22–111.
Symptoms
- The horizontal position adjustment of the passenger mirror does not work
- The mirror does not respond to switch commands
- Possible false alarms of other mirror functions
Causes
- Broken or damaged wiring harness
- Mirror switch malfunction
- Problems with the mirror motor
- Contact corrosion
- Malfunction of the mirror control unit
How to Fix
- Check the integrity of the wiring harness
- Check the mirror switch for malfunction
- Check the mirror motor
- Clean contacts from corrosion
- If necessary, replace faulty components
Related codes
FAQ
What does the B1746 code mean?
B1746 is an OBD-II diagnostic trouble code that indicates: Mirror Passenger Horizontal Switch Circuit Open
What causes a B1746 error code?
The most common causes of B1746 include: Broken or damaged wiring harness; Mirror switch malfunction; Problems with the mirror motor; Contact corrosion.
How do I fix a B1746 diagnostic trouble code?
To fix B1746: Check the integrity of the wiring harness. Check the mirror switch for malfunction. Check the mirror motor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1746?
Limited driving only, diagnose soon
How much does it cost to fix B1746?
The estimated repair cost for B1746 is $22–111. Actual cost depends on your vehicle, location, and labor rates.
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