Code result
P0797
Pressure Control Solenoid C Stuck On
High severity
What it means
The TCM detects that pressure control solenoid C remains energized hydraulically despite commanded de-energization. Line pressure or shift quality deviates from target.
Is it safe to drive?
No — stop driving
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.
Most likely causes
Solenoid mechanically stuck
highOne of the most commonly reported causes for this code — check this first.
Valve body contamination
mediumA plausible cause — test and verify before replacing parts.
Carbon or debris buildup preventing free movement
lowLess common, but worth ruling out after the more likely causes.
Related help
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