P25CF

Intake Camshaft Actuator Park Lock Control Circuit High Bank 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–94 (est.)

Symptoms

Check Engine light comes on
Deterioration in acceleration dynamics
Increased fuel consumption
Unstable idling
Noises in the area of the timing mechanism

Causes

VVT solenoid control circuit shorted
Phase change solenoid valve malfunction
Broken or damaged wiring
Engine control unit software error
Mechanical jamming of the phase change mechanism

How to Fix

Check the condition of the wiring and connectors in the control circuit
Test VVT solenoid resistance
Check the voltage on the control wire
Replace faulty solenoid if necessary
Update the engine ECU firmware (if manufacturer's recommendations are available)

Related codes

P25D0 P25CE P25AF