OBD Guide

P2B34

A Camshaft Profile Actuator B Control Circuit Low Bank 1

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

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

Causes

  • Open or short circuit in the actuator control circuit
  • Malfunction of the camshaft profile actuator
  • Problems with the wiring harness or connectors
  • Engine control unit (ECU) malfunction
  • Low voltage in the on-board network

How to Fix

  1. Check the integrity of the actuator control circuit
  2. Check the condition of the connectors and wiring harness
  3. Measure the resistance of the camshaft profile actuator
  4. Check control circuit voltage
  5. If necessary, replace the camshaft profile actuator

Related codes

Error P2B34 by Vehicle Brand