P075C
Shift Solenoid G Stuck On
Shift solenoid G remains hydraulically active even when the TCM commands it off. The corresponding clutch or band stays applied, blocking shifts that need it released — typical symptoms are harsh engagement, stuck in a single gear, or refusal to shift cleanly.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Common causes
Ordered by how often each turns out to be the cause.
- Solenoid stuck open by debrisCommon
- Stuck valve spool in the valve bodyPossible
- Carbon or debris buildup preventing free movementLess likely
Parts involved
- Shift Solenoid G
- Valve Body
P075C is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.