OBD Guide

P2B42

A Camshaft Position Actuator Position Sensor B Circuit High Bank 1

P2B42 is an OBD-II diagnostic trouble code meaning: A Camshaft Position Actuator Position Sensor B Circuit High Bank 1. Common causes: camshaft position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Rough idle
  • Dips during acceleration

Causes

  • Camshaft position sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring Harness Problems
  • Mechanical faults of the VVT system

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for corrosion
  3. Check the resistance of the position sensor
  4. If necessary, replace the camshaft position sensor
  5. Check the mechanical part of the VVT system

Related codes

Error P2B42 by Vehicle Brand

FAQ

What does the P2B42 code mean?

P2B42 is an OBD-II diagnostic trouble code that indicates: A Camshaft Position Actuator Position Sensor B Circuit High Bank 1

What causes a P2B42 error code?

The most common causes of P2B42 include: Camshaft position sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring Harness Problems.

How do I fix a P2B42 diagnostic trouble code?

To fix P2B42: Check the integrity of the sensor circuit. Inspect connectors and contacts for corrosion. Check the resistance of the position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B42?

Yes, but get it checked soon

How much does it cost to fix P2B42?

The estimated repair cost for P2B42 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat