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P0736 — Reverse gear ratio incorrect
SerioustransmissionPower derate likely — plan to stop soon
Reverse gear ratio incorrect. Common causes: Reverse clutch|Solenoid.
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
- Reverse clutch
- Solenoid
First moves (roadside)
- Solenoid and fluid check
FAQ
What does P0736 mean?
Reverse gear ratio incorrect. Common causes: Reverse clutch|Solenoid.
How serious is P0736?
Serious — Power derate likely — plan to stop soon.
What's the most likely cause of P0736?
The most common cause is: Reverse clutch. Other possibilities include Solenoid.
Can I keep driving with P0736?
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?
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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.