OBD Guide

P2B42

A Camshaft Position Actuator Position Sensor B Circuit High Bank 1

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