OBD Guide

P2B39

B Camshaft Profile Actuator B Control Circuit/Open Bank 1

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • The engine may go into emergency mode

Causes

  • Open or short circuit in the actuator control circuit
  • VVT solenoid valve malfunction
  • Problems with connectors or contact corrosion
  • Malfunction of the valve timing actuator itself
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the actuator control circuit
  2. Check resistance and operation of VVT solenoid valve
  3. Inspect connectors and contacts for damage or corrosion
  4. If necessary, replace the valve timing actuator
  5. Check and, if necessary, update the ECU software

Related codes

Error P2B39 by Vehicle Brand