Powertrain
generic / SAE
P08C5
Pressure Control Solenoid M Stuck On
Pressure control solenoid M stays in the activated state when commanded off. Affected hydraulic circuit stays pressurised.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number8 / C5
Possible causes
- Solenoid spool stuck in open position high
- TCM output driver stuck on medium
- Carbon or debris buildup preventing free movement low
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
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 300–2500 €
- Estimated time: 2–8 h
- Component: pressure control solenoid m
- Component: valve body
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012