Obdaryn

P0745Pressure Control Solenoid A

  • Generic OBD-II code · Powertrain
  • Turns on the check-engine light
  • Matters for the ITP
  • Can trigger limp mode
  • Needs a drive cycle to confirm a fix
How the car detects it
Pressure control solenoid A sets line or clutch pressure by current; most are 'normally high', so with no current – as in limp mode – maximum pressure applies. 'A' is usually the line pressure valve, on GM clutch-to-clutch transmissions (6T, 8L, 9T) the pressure valve of clutch 1. Ford does not use P0745–P0749 but P0960–P0963. P0745 is the general code for this valve; the sub-codes P0746–P0749 follow. It is documented on Mitsubishi CVTs as a current plausibility check: at most 400 mA while 750 mA or more is commanded for 5 s, or 1.34 A or more for 1 s. A failure usually leaves the valve unpowered, so pressure goes to maximum: harsh shifts and, depending on the transmission, limp mode in a fixed gear.
What you may notice
  • Harsh shifts or engagement (maximum pressure)
  • Limp mode in a fixed gear
  • Transmission warning or check engine light
Likely causes
  • LikelyPressure control solenoid (coil) faulty
  • LikelyTransmission harness or connector
  • PossibleContaminated fluid, valve sluggish
  • RareTransmission module
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: €150 – €1,500

Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.