OBD Guide

P2B55

B Camshaft Profile Actuator B Control Stuck On Bank 1

P2B55 is an OBD-II diagnostic trouble code meaning: B Camshaft Profile Actuator B Control Stuck On Bank 1. Common causes: valve timing actuator jamming, contaminated or poor quality engine oil. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • A characteristic knock from the timing belt area

Causes

  • Valve timing actuator jamming
  • Contaminated or poor quality engine oil
  • VVT solenoid valve malfunction
  • Problems with wiring to the actuator
  • Mechanical damage in the timing system

How to Fix

  1. Check the condition and level of the engine oil
  2. Diagnose the operation of the VVT solenoid valve
  3. Check the actuator control circuit
  4. Replace the valve timing actuator if necessary
  5. Clean or replace oil and filter

Related codes

Error P2B55 by Vehicle Brand

FAQ

What does the P2B55 code mean?

P2B55 is an OBD-II diagnostic trouble code that indicates: B Camshaft Profile Actuator B Control Stuck On Bank 1

What causes a P2B55 error code?

The most common causes of P2B55 include: Valve timing actuator jamming; Contaminated or poor quality engine oil; VVT solenoid valve malfunction; Problems with wiring to the actuator.

How do I fix a P2B55 diagnostic trouble code?

To fix P2B55: Check the condition and level of the engine oil. Diagnose the operation of the VVT solenoid valve. Check the actuator control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B55?

Limited driving only, diagnose soon

How much does it cost to fix P2B55?

The estimated repair cost for P2B55 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat