B1774
Mirror Driver Up Circuit Open
B1774 is an OBD-II diagnostic trouble code meaning: Mirror Driver Up Circuit Open. Common causes: broken wires in the control circuit, mirror motor malfunction. Estimated repair cost: $6–56.
Symptoms
- Upward mirror adjustment does not work
- Mirror doesn't move in one direction
- Malfunction indicator on the instrument panel
Causes
- Broken wires in the control circuit
- Mirror motor malfunction
- Problems with the control unit
- Oxidation of contacts
- Mechanical damage to the wiring harness in the door
How to Fix
- Check the integrity of the wires in the control circuit
- Check the operation of the mirror motor
- Inspect contacts for oxidation
- Check the wiring harness in the door for damage.
- If necessary, replace faulty components
Related codes
FAQ
What does the B1774 code mean?
B1774 is an OBD-II diagnostic trouble code that indicates: Mirror Driver Up Circuit Open
What causes a B1774 error code?
The most common causes of B1774 include: Broken wires in the control circuit; Mirror motor malfunction; Problems with the control unit; Oxidation of contacts.
How do I fix a B1774 diagnostic trouble code?
To fix B1774: Check the integrity of the wires in the control circuit. Check the operation of the mirror motor. Inspect contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1774?
Limited driving only, diagnose soon
How much does it cost to fix B1774?
The estimated repair cost for B1774 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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