P0799

Pressure Control Solenoid C Intermittent

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect gear shifting
Slipping when switching
Hard gear shifts
Check Engine light comes on
Reduced transmission efficiency

Causes

Solenoid circuit problems
Worn pressure control solenoid
Poor contact in solenoid connector
Transmission fluid contamination
Transmission Control Module (TCM) Problems

How to Fix

Check the condition of the transmission fluid
Diagnose the electrical circuit of the solenoid
Check connectors and wiring harness
Replace pressure control solenoid C if necessary
Clear errors and take a test drive

Related codes

P0796 P0797 P0798