P0701
Transmission Control System Range/Performance
What it means
P0701 means Transmission Control System Range/Performance.
Check these first
- Dirty or low transmission fluid
- A failing transmission solenoid
- A faulty transmission speed sensor
- A failing TCM
- Worn clutch packs or bands
What to do next
- Check the transmission fluid level and condition
- Read transmission codes and live data
- Test the shift solenoids
- Inspect the speed sensors
- Service the transmission or replace the TCM
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.