Operation CHARM: Car repair manuals for everyone.

Shift Solenoid Failure Mode Chart

Shift Solenoid Failure Mode Chart Always OFF

Failed OFF due to PCM/vehicle wiring concerns; solenoid electrically or hydraulically stuck off.





SSA Always Off





SSB Always Off
PTO will not operate.

Shift Solenoid Failure Mode Chart Always ON
Failed ON due to PCM/vehicle wiring concerns; solenoid electrically or hydraulically stuck on.





SSA Always On





SSB Always On
PTO will always be on.