OBD-II code · Powertrain (generic)
P08C5 Pressure Control Solenoid M Stuck On
Pressure control solenoid M stays in the activated state when commanded off. Affected hydraulic circuit stays pressurised.
Is it safe to drive with P08C5?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySolenoid spool stuck in open position
- PossibleTCM output driver stuck on
- Less likelyCarbon or debris buildup preventing free movement
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
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Pressure Control Solenoid M, Valve Body
Related codes
- P0747Pressure Control Solenoid A Stuck On
- P0777Pressure Control Solenoid B Stuck On
- P0797Pressure Control Solenoid C Stuck On
- P08BCPressure Control Solenoid L Stuck On
- P2715Pressure Control Solenoid D Stuck On
- P2724Pressure Control Solenoid E Stuck On
- P2733Pressure Control Solenoid F Stuck On
- P27BAPressure Control Solenoid N Stuck On
- P27C2Pressure Control Solenoid P Stuck On
- P27CAPressure Control Solenoid R Stuck On
- P27D2Pressure Control Solenoid S Stuck On
- P27DAPressure Control Solenoid T Stuck On
- P08C2Pressure Control Solenoid L Control Circuit High
- P08C3Pressure Control Solenoid M
- P08C4Pressure Control Solenoid M Performance/Stuck Off
- P08C6Pressure Control Solenoid M Electrical
- P08C7Pressure Control Solenoid M Intermittent
- P08C8Pressure Control Solenoid M Control Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.