OBD Guide

P34BB

B Camshaft Position Actuator Temperature Sensor Circuit High Bank 2

P34BB is an OBD-II diagnostic trouble code meaning: B Camshaft Position Actuator Temperature Sensor Circuit High Bank 2. Common causes: open or short circuit in the sensor circuit, poor contact in the sensor connector. Estimated repair cost: $28–89.

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

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Rough engine idling
  • Possible problems starting the engine

Causes

  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Malfunction of the temperature sensor itself
  • Problems with the variable valve timing actuator
  • Corroded or damaged wiring

How to Fix

  1. Check the integrity of wiring and connectors
  2. Measure the resistance of the temperature sensor
  3. Check the voltage in the sensor circuit
  4. If necessary, replace the actuator temperature sensor
  5. Check the operation of the variable valve timing system

Related codes

Error P34BB by Vehicle Brand

FAQ

What does the P34BB code mean?

P34BB is an OBD-II diagnostic trouble code that indicates: B Camshaft Position Actuator Temperature Sensor Circuit High Bank 2

What causes a P34BB error code?

The most common causes of P34BB include: Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Malfunction of the temperature sensor itself; Problems with the variable valve timing actuator.

How do I fix a P34BB diagnostic trouble code?

To fix P34BB: Check the integrity of wiring and connectors. Measure the resistance of the temperature sensor. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P34BB?

Yes, but get it checked soon

How much does it cost to fix P34BB?

The estimated repair cost for P34BB is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat