B1566 Possible Causes
- Faulty Door Ajar Switch
- Door Ajar Switch harness is open or shorted
- Door Ajar Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B1566
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the B1566 code
Labor: 1.0The cost of diagnosing the B1566 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
B1566 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1566 MeaningThe Body Control Module (BCM) monitors the Door Ajar Switch. The BCM sets the OBDII code when the Door Ajar Switch is not to factory specifications.
B1566 More InformationNeed more information on how to fix the B1566 code?
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