P0748

Pressure Control Solenoid A Electrical

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Emergency operation of the gearbox
Difficulty shifting gears
Dips when switching
Increased engine speed when switching
Check Engine light comes on

Causes

Open or short circuit in solenoid circuit
Poor contact in solenoid connector
Pressure control solenoid malfunction
Transmission control module (TCM) problems
Contact corrosion

How to Fix

Check the integrity of the wiring to the solenoid
Clean solenoid connector contacts
Check the solenoid resistance (compare with the norm)
Replace solenoid if necessary
Reset error and check operation

Related codes

P0741 P0743 P0753