B1684
Mirror Driver/Passenger Switch Circuit Open
B1684 is an OBD-II diagnostic trouble code meaning: Mirror Driver/Passenger Switch Circuit Open. Common causes: broken or damaged wiring harness, oxidation of switch contacts. Estimated repair cost: $11–56.
Symptoms
- Inability to adjust side mirrors
- Mirror switch does not respond to pressing
- Intermittent mirror operation
Causes
- Broken or damaged wiring harness
- Oxidation of switch contacts
- Mirror switch malfunction
- Fuse or relay problems
- Short circuit in the circuit
How to Fix
- Check the fuse and mirror circuit relay
- Inspect the wiring harness for damage
- Check switch contacts for oxidation
- Replace the mirror switch if necessary
- Test the operation of mirrors after repair
Related codes
FAQ
What does the B1684 code mean?
B1684 is an OBD-II diagnostic trouble code that indicates: Mirror Driver/Passenger Switch Circuit Open
What causes a B1684 error code?
The most common causes of B1684 include: Broken or damaged wiring harness; Oxidation of switch contacts; Mirror switch malfunction; Fuse or relay problems.
How do I fix a B1684 diagnostic trouble code?
To fix B1684: Check the fuse and mirror circuit relay. Inspect the wiring harness for damage. Check switch contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1684?
Limited driving only, diagnose soon
How much does it cost to fix B1684?
The estimated repair cost for B1684 is $11–56. Actual cost depends on your vehicle, location, and labor rates.
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