Engine Error
P0748
Pressure Control Solenoid A Electrical
Severity
High
Symptoms
Extremely harsh shifting (max line pressure default), slipping transmission
Common Causes
- Defective Electronic Pressure Control (EPC) solenoid
- Open or short in EPC wiring
- Dirty transmission fluid
- Failed TCM
How to Fix
- 1 Replace EPC/Line Pressure solenoid
- 2 Repair wiring harness
- 3 Change fluid and filter
- 4 Replace TCM
Estimated Repair Cost
USD
$200
–
$800
EPC Solenoid replacement: $300 - $600