P25D4

Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine idling
Problems starting the engine

Causes

Open or short circuit in control circuit
Malfunction of the camshaft lock solenoid valve
Problems with the wiring harness or connectors
Engine control unit (ECU) malfunction
Mechanical problems with the VVT system

How to Fix

Check the integrity of the control circuit and wiring harness
Check the resistance and operation of the solenoid valve
Inspect connectors for corrosion or damage
Check signals using an oscilloscope or multimeter
If necessary, replace faulty components

Related codes

P25D3 P25D5 P0016