B1666
Seat Driver Recline Motor Stalled
B1666 is an OBD-II diagnostic trouble code meaning: Seat Driver Recline Motor Stalled. Common causes: mechanical jamming of the adjustment mechanism, worn or damaged adjustment motor. Estimated repair cost: $56–167.
Symptoms
- The driver's seat back is not adjustable
- Clicking or buzzing noise when trying to adjust
- Intermittent operation of the adjustment mechanism
- Burnt smell from seat motor
Causes
- Mechanical jamming of the adjustment mechanism
- Worn or damaged adjustment motor
- Problems with the wiring harness or connectors
- Seat control unit malfunction
- Short circuit in motor circuit
How to Fix
- Check the mechanical part of the backrest adjustment for jamming
- Check the condition of the engine wiring harness and connectors
- Measure resistance and voltage supply to the motor
- Check the operation of the seat control unit
- If necessary, replace the adjustment motor or the entire mechanism
Related codes
FAQ
What does the B1666 code mean?
B1666 is an OBD-II diagnostic trouble code that indicates: Seat Driver Recline Motor Stalled
What causes a B1666 error code?
The most common causes of B1666 include: Mechanical jamming of the adjustment mechanism; Worn or damaged adjustment motor; Problems with the wiring harness or connectors; Seat control unit malfunction.
How do I fix a B1666 diagnostic trouble code?
To fix B1666: Check the mechanical part of the backrest adjustment for jamming. Check the condition of the engine wiring harness and connectors. Measure resistance and voltage supply to the motor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1666?
Limited driving only, diagnose soon
How much does it cost to fix B1666?
The estimated repair cost for B1666 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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