OBD
P072C
Stuck in Gear 1
What it means
P072C means Stuck in Gear 1.
Check these first
- Low or burnt transmission fluid
- A shift solenoid stuck in first
- A sticking valve body spool
- A TCM command fault
- A failed clutch pack for the upshift
What to do next
- Check the fluid level and condition
- Command an upshift on a scan tool
- Test the shift solenoid for sticking
- Compare solenoid resistance to spec
- Replace the solenoid or valve body if commanded shifts fail
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.