P27E5

Electric/Auxiliary Transmission Fluid Pump Control Valve Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Rough gear shifting
Check engine light comes on
Reduced transmission efficiency
Possible noises from the transmission area

Causes

Open or short circuit in valve circuit
Pump solenoid valve malfunction
Problems with the transmission control unit
Corrosion or poor contact in connectors
Low transmission fluid level

How to Fix

Check the level and condition of the transmission fluid
Inspect the valve control circuit for damage.
Check the resistance and operation of the solenoid valve
Scan the transmission control unit for errors
If necessary, replace the solenoid valve or repair the wiring

Related codes

P27E4 P27E6 P27E7