P27DBPressure Control Solenoid T Electrical
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- How the car detects it
- P27DB is a catch-all for electrical trouble on solenoid T that does not name the kind of fault. No manufacturer publishes it. The only known valve T is the selector pilot valve of Ford's TR9070 dual-clutch gearbox, and Ford's 2024 overview splits that valve's wiring faults into P27DD for open load, P27DF for a shorted switch and P27E0 for a shorted load instead of using this code. GM's Corvette has a comparable pilot valve but numbers it under the K block (P282D to P2830). CARB 13 CCR 1968.2 demands circuit monitoring of transmission actuators in general. Diagnosis follows the detailed codes: coil ohms, connector pins, harness insulation, then the TCM.
- What you may notice
- MIL on
- Restricted gear choice
- Limp mode possible
- Likely causes
- LikelySolenoid T coil open or shorted
- PossibleCorrosion or poor fit at the gearbox connector
- RareDefective TCM output for solenoid T
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Medium · Usually a job for a workshop.Typical cost: €100 – €900
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.