OBD Guide

P25D4

Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 2

P25D4 is an OBD-II diagnostic trouble code meaning: Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 2. Common causes: open or short circuit in control circuit, malfunction of the camshaft lock solenoid valve. Estimated repair cost: $17–89.

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

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

Related codes

Error P25D4 by Vehicle Brand

FAQ

What does the P25D4 code mean?

P25D4 is an OBD-II diagnostic trouble code that indicates: Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 2

What causes a P25D4 error code?

The most common causes of P25D4 include: 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.

How do I fix a P25D4 diagnostic trouble code?

To fix P25D4: 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. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P25D4?

Yes, but get it checked soon

How much does it cost to fix P25D4?

The estimated repair cost for P25D4 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat