OBD-II code · Powertrain (generic)
P08C8 Pressure Control Solenoid M Control Circuit/Open
The TCM detects an open circuit in the control wiring of pressure control solenoid M. No current flows when the solenoid is commanded.
Is it safe to drive with P08C8?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOpen in solenoid control wire
- PossibleOpen solenoid coil
- Less likelyPin pushed back out of connector body
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
- 1.5–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Pressure Control Solenoid M, Wiring Harness
Related codes
- P08BFPressure Control Solenoid L Control Circuit/Open
- P0960Pressure Control Solenoid A Control Circuit/Open
- P0964Pressure Control Solenoid B Control Circuit/Open
- P0968Pressure Control Solenoid C Control Circuit/Open
- P27C5Pressure Control Solenoid P Control Circuit/Open
- P27CDPressure Control Solenoid R Control Circuit/Open
- P27D5Pressure Control Solenoid S Control Circuit/Open
- P27DDPressure Control Solenoid T Control Circuit/Open
- P2812Pressure Control Solenoid G Control Circuit/Open
- P281BPressure Control Solenoid H Control Circuit/Open
- P2824Pressure Control Solenoid J Control Circuit/Open
- P282DPressure Control Solenoid K Control Circuit/Open
- P08C5Pressure Control Solenoid M Stuck On
- P08C6Pressure Control Solenoid M Electrical
- P08C7Pressure Control Solenoid M Intermittent
- P08C9Pressure Control Solenoid M Control Circuit Range/Performance
- P08CAPressure Control Solenoid M Control Circuit Low
- P08CBPressure Control Solenoid M Control Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.