P1748
Electronic Pressure Control Malfunction
Severity
🔴 HighCan you drive?
Do not drive — repair immediately
Approx. repair cost
$28–167 (est.)
Symptoms
- Incorrect gear shifting
- Slipping or jerking when shifting
- Transmission overheating
- Check Engine Light Illuminates
- Emergency operation mode of automatic transmission
Causes
- Pressure control solenoid malfunction
- Low or contaminated transmission fluid
- Problems with the wiring harness or connectors
- Mechanical damage inside the automatic transmission
- TCM control unit malfunction
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the operation of the pressure control solenoid
- Check the integrity of the electrical circuit and connectors
- Scan the TCM for errors
- If necessary, replace the solenoid or repair the automatic transmission