Code result
B0520
Passenger Door Open Switch
Moderate severity
What it means
The body control module has detected a fault in the passenger door open (jamb) switch. Same fault profile as B0510 but for the passenger door.
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
Door jamb switch stuck or corroded
highOne of the most commonly reported causes for this code — check this first.
Wiring open in door hinge
mediumA plausible cause — test and verify before replacing parts.
Related help
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