OBD-II code · Powertrain (generic, extended)
P27CB Pressure Control Solenoid R Electrical
The TCM detects an electrical fault on transmission pressure control solenoid R. Hydraulic pressure cannot be modulated as expected, causing harsh or slipping shifts.
Is it safe to drive with P27CB?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyInternal solenoid fault
- PossibleWiring or connector fault
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 R, Tcm, Transmission Wiring
Related codes
- P08C6Pressure Control Solenoid M Electrical
- P2716Pressure Control Solenoid D Electrical
- P2725Pressure Control Solenoid E Electrical
- P2734Pressure Control Solenoid F Electrical
- P27BBPressure Control Solenoid N Electrical
- P27C3Pressure Control Solenoid P Electrical
- P27D3Pressure Control Solenoid S Electrical
- P27DBPressure Control Solenoid T Electrical
- P2810Pressure Control Solenoid G Electrical
- P2819Pressure Control Solenoid H Electrical
- P2822Pressure Control Solenoid J Electrical
- P282BPressure Control Solenoid K Electrical
- P27C8Pressure Control Solenoid P Control Circuit High
- P27C9Pressure Control Solenoid R Performance/Stuck Off
- P27CAPressure Control Solenoid R Stuck On
- P27CCPressure Control Solenoid R Intermittent
- P27CDPressure Control Solenoid R Control Circuit/Open
- P27CEPressure Control Solenoid R Control Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.