P0746
Pressure Control Solenoid "A" Performance/Stuck Off
System: Transmission
Severity: medium
What does P0746 mean?
The DTC P0746 (Pressure Control Solenoid "A" Performance/Stuck Off) is a fault code stored by the ECU when it detects a TCM pressure solenoid stuck condition in the transmission subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0746
- Failed pressure control solenoid
- Stuck valve in valve body
- Contaminated ATF
How to fix P0746
ATF + filter service. If recurs, solenoid replacement (valve body work).
Tuning approach with DaVinci Deluxe
For P0746, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- Shift firmness adjust
- Line pressure tune
Need to fix P0746 on your ECU?
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