Code result
P0701
Transmission Control System Range/Performance
High severity
What it means
The TCM has detected a transmission performance issue without identifying a specific component fault — typically slip outside expected range, shift timing outside spec, or a hydraulic issue not yet diagnosed by a more specific code.
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
Transmission fluid low or burnt
highOne of the most commonly reported causes for this code — check this first.
Valve body wear
mediumA plausible cause — test and verify before replacing parts.
Sensor element aged beyond calibration window
lowLess common, but worth ruling out after the more likely causes.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P0701 freeNo credit card required