OBD Guide

P2B50

A Camshaft Profile Actuator B Control Performance/Stuck Off Bank 2

P2B50 is an OBD-II diagnostic trouble code meaning: A Camshaft Profile Actuator B Control Performance/Stuck Off Bank 2. Common causes: vvt solenoid valve malfunction, contamination or jamming of the timing actuator. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Dips during acceleration

Causes

  • VVT solenoid valve malfunction
  • Contamination or jamming of the timing actuator
  • Problems with the wiring harness or connectors
  • Low or contaminated engine oil level
  • Engine control unit malfunction

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose the operation of the VVT solenoid valve
  3. Check the integrity of the control circuit and connectors
  4. Clean or replace the timing actuator
  5. If necessary, replace the VVT solenoid valve

Related codes

Error P2B50 by Vehicle Brand

FAQ

What does the P2B50 code mean?

P2B50 is an OBD-II diagnostic trouble code that indicates: A Camshaft Profile Actuator B Control Performance/Stuck Off Bank 2

What causes a P2B50 error code?

The most common causes of P2B50 include: VVT solenoid valve malfunction; Contamination or jamming of the timing actuator; Problems with the wiring harness or connectors; Low or contaminated engine oil level.

How do I fix a P2B50 diagnostic trouble code?

To fix P2B50: Check the level and condition of the engine oil. Diagnose the operation of the VVT solenoid valve. Check the integrity of the control circuit and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B50?

Yes, but get it checked soon

How much does it cost to fix P2B50?

The estimated repair cost for P2B50 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat