OBD
P076F
Gear 7 Incorrect Ratio
What it means
P076F means Gear 7 Incorrect Ratio.
Check these first
- Low or degraded transmission fluid
- A slipping seventh gear clutch pack
- A faulty speed sensor
- A worn gear set or bearing
- A TCM calibration problem
What to do next
- Check the fluid level and condition
- Compare input and output speed on a scan tool
- Read the commanded and actual ratio for seventh
- Inspect the speed sensor for debris
- Service the fluid if the ratio drifts
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.