OBD Guide

P2B45

A Camshaft Position Actuator Position Sensor B Circuit Low Bank 2

P2B45 is an OBD-II diagnostic trouble code meaning: A Camshaft Position Actuator Position Sensor B Circuit Low Bank 2. Common causes: open or short circuit in the sensor circuit, camshaft position sensor malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Problems starting the engine

Causes

  • Open or short circuit in the sensor circuit
  • Camshaft position sensor malfunction
  • Poor contact in the sensor connector
  • Problems with power or grounding of the circuit
  • Mechanical problems with VVT actuator

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Check the supply voltage and grounding of the sensor
  3. Test the camshaft position sensor
  4. Check the mechanical part of the VVT system
  5. Replace the faulty sensor or repair the wiring

Related codes

Error P2B45 by Vehicle Brand

FAQ

What does the P2B45 code mean?

P2B45 is an OBD-II diagnostic trouble code that indicates: A Camshaft Position Actuator Position Sensor B Circuit Low Bank 2

What causes a P2B45 error code?

The most common causes of P2B45 include: Open or short circuit in the sensor circuit; Camshaft position sensor malfunction; Poor contact in the sensor connector; Problems with power or grounding of the circuit.

How do I fix a P2B45 diagnostic trouble code?

To fix P2B45: Check the integrity of the sensor wiring and connectors. Check the supply voltage and grounding of the sensor. Test the camshaft position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B45?

Yes, but get it checked soon

How much does it cost to fix P2B45?

The estimated repair cost for P2B45 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat