Code result
P0900
Clutch Actuator Circuit/Open
Moderate severity
What it means
The TCM detects an open circuit at the clutch actuator output. Used on automated manual or dual-clutch transmissions.
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
Actuator winding open
highOne of the most commonly reported causes for this code — check this first.
Wiring break
mediumA plausible cause — test and verify before replacing parts.
Pin pushed back out of connector body
lowLess common, but worth ruling out after the more likely causes.
Related help
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