Code result
C0205
Stop Lamp Switch Circuit
Moderate severity
What it means
The ABS or stability control module has detected a fault in the stop lamp switch circuit. The brake light switch tells the module whether the driver is braking and is used to coordinate ABS, traction control and cruise control.
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
Stop lamp switch failed or misadjusted
highOne of the most commonly reported causes for this code — check this first.
Wiring or connector fault
mediumA plausible cause — test and verify before replacing parts.
Blown stop lamp fuse
lowLess common, but worth ruling out after the more likely causes.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose C0205 freeNo credit card required