B1748
Mirror Passenger Horizontal Switch Circuit Short To Ground
B1748 is an OBD-II diagnostic trouble code meaning: Mirror Passenger Horizontal Switch Circuit Short To Ground. Common causes: damage to the mirror wiring harness, short circuit in switch. Estimated repair cost: $22–89.
Symptoms
- Adjustment of the right mirror in the horizontal plane does not work
- The mirror can be fixed in one position
- False adjustments are possible
Causes
- Damage to the mirror wiring harness
- Short circuit in switch
- Mirror motor malfunction
- Problems with the mirror control unit
- Oxidation of contacts
How to Fix
- Check the integrity of the wiring harness to the right mirror
- Test the mirror switch
- Check the operation of the mirror motor
- Inspect contacts and connections
- If necessary, replace faulty components
Related codes
FAQ
What does the B1748 code mean?
B1748 is an OBD-II diagnostic trouble code that indicates: Mirror Passenger Horizontal Switch Circuit Short To Ground
What causes a B1748 error code?
The most common causes of B1748 include: Damage to the mirror wiring harness; Short circuit in switch; Mirror motor malfunction; Problems with the mirror control unit.
How do I fix a B1748 diagnostic trouble code?
To fix B1748: Check the integrity of the wiring harness to the right mirror. Test the mirror switch. Check the operation of the mirror motor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1748?
Limited driving only, diagnose soon
How much does it cost to fix B1748?
The estimated repair cost for B1748 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
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