P27C9

Pressure Control Solenoid R Performance/Stuck Off

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect gear shifting
Delays when shifting gears
Increased fuel consumption
Check Engine Light Illuminates
Reduced vehicle dynamics

Causes

Pressure control solenoid R malfunction
Dirty or clogged solenoid
Problems with wiring or connectors
Low transmission fluid level
Transmission control module (TCM) malfunction

How to Fix

Check the level and condition of the transmission fluid
Inspect the wiring and solenoid connectors
Check the resistance of the pressure control solenoid R
Replace solenoid if necessary
Test the operation of the transmission after repair

Related codes

P27CA P27CB P27CC