OBD Guide

P2B43

A Camshaft Position Actuator Position Sensor B Circuit Bank 2

P2B43 is an OBD-II diagnostic trouble code meaning: A Camshaft Position Actuator Position Sensor B Circuit Bank 2. Common causes: camshaft position sensor malfunction, open or short circuit in the sensor circuit. 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
  • Problems starting the engine

Causes

  • Camshaft position sensor malfunction
  • Open or short circuit in the sensor circuit
  • VVT actuator problems
  • Low or poor quality engine oil
  • Engine ECU malfunction

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose the camshaft position sensor circuit
  3. Check resistance and sensor signal
  4. If necessary, replace the camshaft position sensor
  5. Check the operation of the VVT actuator

Related codes

Error P2B43 by Vehicle Brand

FAQ

What does the P2B43 code mean?

P2B43 is an OBD-II diagnostic trouble code that indicates: A Camshaft Position Actuator Position Sensor B Circuit Bank 2

What causes a P2B43 error code?

The most common causes of P2B43 include: Camshaft position sensor malfunction; Open or short circuit in the sensor circuit; VVT actuator problems; Low or poor quality engine oil.

How do I fix a P2B43 diagnostic trouble code?

To fix P2B43: Check the level and condition of the engine oil. Diagnose the camshaft position sensor circuit. Check resistance and sensor signal. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B43?

Yes, but get it checked soon

How much does it cost to fix P2B43?

The estimated repair cost for P2B43 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat