OBD-II code · Powertrain (generic, extended)
P2818 Pressure Control Solenoid H Stuck On
Pressure control solenoid H stays in the activated state when commanded off. Affected hydraulic circuit stays pressurised.
Is it safe to drive with P2818?
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
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 H, Valve Body
Related codes
- P08C5Pressure Control Solenoid M 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
- P2809Pressure Control Solenoid G Stuck On
- P2821Pressure Control Solenoid J Stuck On
- P282APressure Control Solenoid K Stuck On
- P2815Pressure Control Solenoid G Control Circuit High
- P2816Pressure Control Solenoid H
- P2817Pressure Control Solenoid H Performance/Stuck Off
- P2819Pressure Control Solenoid H Electrical
- P281APressure Control Solenoid H Intermittent
- P281BPressure Control Solenoid H Control Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.