B164B
Driver Mirror Signal Lamp Control Circuit Low
B164B is an OBD-II diagnostic trouble code meaning: Driver Mirror Signal Lamp Control Circuit Low. Common causes: broken or damaged wiring harness, backlight malfunction. Estimated repair cost: $11–56.
Symptoms
- Driver's mirror light does not work
- Mirror light flashing
- The malfunction indicator on the dashboard lights up
Causes
- Broken or damaged wiring harness
- Backlight malfunction
- Problems with the control unit
- Short circuit in the circuit
How to Fix
- Check the integrity of the wiring harness
- Replace the backlight lamp
- Check the operation of the control unit
- Eliminate short circuit in the circuit
Related codes
FAQ
What does the B164B code mean?
B164B is an OBD-II diagnostic trouble code that indicates: Driver Mirror Signal Lamp Control Circuit Low
What causes a B164B error code?
The most common causes of B164B include: Broken or damaged wiring harness; Backlight malfunction; Problems with the control unit; Short circuit in the circuit.
How do I fix a B164B diagnostic trouble code?
To fix B164B: Check the integrity of the wiring harness. Replace the backlight lamp. Check the operation of the control unit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B164B?
Do not drive — repair immediately
How much does it cost to fix B164B?
The estimated repair cost for B164B is $11–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat