Code result
B0100
Driver Door Lock Cylinder Switch Circuit
Moderate severity
What it means
The body control module has detected a fault in the driver door lock cylinder switch circuit. This switch detects key rotation in the door lock and is used for keyless functions and the alarm system.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Lock cylinder switch failed
highOne of the most commonly reported causes for this code — check this first.
Door harness broken in door hinge area
mediumA plausible cause — test and verify before replacing parts.
Related help
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