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P0751 — Shift solenoid A performance
SerioustransmissionPower derate likely — plan to stop soon
Shift solenoid A performance. Common causes: Solenoid stuck|Valve body|Fluid.
Don't risk it — get a diesel tech on the truck.
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How serious is it?
Serious. Power derate likely — plan to stop soon.
Most likely causes
- Solenoid stuck
- Valve body
- Fluid
First moves (roadside)
- Solenoid resistance
- Hot fluid level
FAQ
What does P0751 mean?
Shift solenoid A performance. Common causes: Solenoid stuck|Valve body|Fluid.
How serious is P0751?
Serious — Power derate likely — plan to stop soon.
What's the most likely cause of P0751?
The most common cause is: Solenoid stuck. Other possibilities include Valve body; Fluid.
Can I keep driving with P0751?
Power derate likely — plan to stop soon. When in doubt, get a qualified mobile diesel tech on the truck before continuing.
Throwing this code right now?
Find a mechanic or related guides
General diagnostic guidance for diesel engines (Cummins, Detroit, PACCAR, Volvo, Mack and more). Not a substitute for a scan-tool diagnosis on your specific truck.