B1739
Mirror Driver Horizontal Switch Circuit Short To Battery
B1739 is an OBD-II diagnostic trouble code meaning: Mirror Driver Horizontal Switch Circuit Short To Battery. Common causes: wiring harness damage, mirror switch malfunction. Estimated repair cost: $56–167.
Symptoms
- Inability to adjust the mirror horizontally
- Spontaneous movement of the mirror without command
- Mirror system failure
Causes
- Wiring harness damage
- Mirror switch malfunction
- Short circuit in the circuit
- Problems with the mirror control unit
How to Fix
- Check wiring harness for damage
- Check the mirror switch for serviceability
- Check circuit for short circuit
- Replace faulty components
Related codes
FAQ
What does the B1739 code mean?
B1739 is an OBD-II diagnostic trouble code that indicates: Mirror Driver Horizontal Switch Circuit Short To Battery
What causes a B1739 error code?
The most common causes of B1739 include: Wiring harness damage; Mirror switch malfunction; Short circuit in the circuit; Problems with the mirror control unit.
How do I fix a B1739 diagnostic trouble code?
To fix B1739: Check wiring harness for damage. Check the mirror switch for serviceability. Check circuit for short circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1739?
Limited driving only, diagnose soon
How much does it cost to fix B1739?
The estimated repair cost for B1739 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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