OBD-II code · Powertrain (generic, extended)
P281A Pressure Control Solenoid H Intermittent
Pressure control solenoid H shows intermittent electrical or hydraulic faults. Loose connector or marginal coil.
Is it safe to drive with P281A?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySolenoid connector not fully seated
- PossibleCoil resistance drifts with temperature
- Less likelyConnector with intermittent contact under vibration
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 H, Wiring Harness
Related codes
- P08C7Pressure Control Solenoid M Intermittent
- P2717Pressure Control Solenoid D Intermittent
- P2726Pressure Control Solenoid E Intermittent
- P2735Pressure Control Solenoid F Intermittent
- P27BCPressure Control Solenoid N Intermittent
- P27C4Pressure Control Solenoid P Intermittent
- P27CCPressure Control Solenoid R Intermittent
- P27D4Pressure Control Solenoid S Intermittent
- P27DCPressure Control Solenoid T Intermittent
- P2811Pressure Control Solenoid G Intermittent
- P2823Pressure Control Solenoid J Intermittent
- P282CPressure Control Solenoid K Intermittent
- P2817Pressure Control Solenoid H Performance/Stuck Off
- P2818Pressure Control Solenoid H Stuck On
- P2819Pressure Control Solenoid H Electrical
- P281BPressure Control Solenoid H Control Circuit/Open
- P281CPressure Control Solenoid H Control Circuit Range/Performance
- P281DPressure Control Solenoid H Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.