P0797

Pressure Control Solenoid C Stuck On

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Incorrect gear shifting
Hard shifts
Check Engine light comes on
Reduced transmission efficiency
Possible gear slippage

Causes

Pressure control solenoid C malfunction
Transmission fluid contamination
Problems with wiring to the solenoid
Mechanical damage to the solenoid
Transmission control module (TCM) malfunction

How to Fix

Check the level and condition of the transmission fluid
Check the electrical circuit of the solenoid
Test solenoid resistance
Replace faulty solenoid
If necessary, replace transmission fluid and filter

Related codes

P0795 P0796 P0798