OBD-II code · Powertrain (generic, extended)
P27B9 Pressure Control Solenoid N Performance/Stuck Off
Pressure control solenoid N is commanded on but does not produce the expected pressure.
Is it safe to drive with P27B9?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelySolenoid spool stuck in closed position
- PossibleHydraulic feed restricted by debris
- 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 N, Valve Body
Related codes
- P08BBPressure Control Solenoid L Performance/Stuck Off
- P08C4Pressure Control Solenoid M Performance/Stuck Off
- P2714Pressure Control Solenoid D Performance/Stuck Off
- P2732Pressure Control Solenoid F Performance/Stuck Off
- P27C1Pressure Control Solenoid P Performance/Stuck Off
- P27C9Pressure Control Solenoid R Performance/Stuck Off
- P27D1Pressure Control Solenoid S Performance/Stuck Off
- P27D9Pressure Control Solenoid T Performance/Stuck Off
- P2808Pressure Control Solenoid G Performance/Stuck Off
- P2817Pressure Control Solenoid H Performance/Stuck Off
- P2820Pressure Control Solenoid J Performance/Stuck Off
- P2829Pressure Control Solenoid K Performance/Stuck Off
- P27B4Internal Control Module Transmission Gear Direction Control Performance
- P27B5Internal Control Module Transmission Gear Ratio Control Performance
- P27B6Internal Control Module Transmission Speed Sensor Performance
- P27BAPressure Control Solenoid N Stuck On
- P27BBPressure Control Solenoid N Electrical
- P27BCPressure Control Solenoid N Intermittent
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.