P27DD

Pressure Control Solenoid T Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Incorrect operation of the solenoid controlled system
Reduced engine performance
Possible jerking when shifting gears (if the solenoid is connected to the transmission)
Increased fuel consumption

Causes

Broken wires in the solenoid control circuit
Poor contact in connectors
Malfunction of the solenoid itself
Relay or fuse problems
Engine control unit (ECU) malfunction

How to Fix

Check the integrity of wires and connectors in the control circuit
Measure the solenoid resistance
Check power and ground in the circuit
If necessary, replace the solenoid
Reset the error code and check if it returns

Related codes

P27DC P27DE P27DF