OBD Guide

P34B8

B Camshaft Position Actuator Temperature Sensor Circuit Bank 2

P34B8 is an OBD-II diagnostic trouble code meaning: B Camshaft Position Actuator Temperature Sensor Circuit Bank 2. Common causes: vvt drive temperature 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

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable operation at idle
  • The engine goes into emergency mode

Causes

  • VVT drive temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • VVT solenoid valve problems
  • Engine ECU malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for oxidation
  3. Check the resistance of the temperature sensor
  4. Replace VVT actuator temperature sensor if necessary
  5. Test the operation of the VVT system after repair

Related codes

Error P34B8 by Vehicle Brand

FAQ

What does the P34B8 code mean?

P34B8 is an OBD-II diagnostic trouble code that indicates: B Camshaft Position Actuator Temperature Sensor Circuit Bank 2

What causes a P34B8 error code?

The most common causes of P34B8 include: VVT drive temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; VVT solenoid valve problems.

How do I fix a P34B8 diagnostic trouble code?

To fix P34B8: Check the integrity of the sensor circuit. Inspect connectors and contacts for oxidation. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P34B8?

Yes, but get it checked soon

How much does it cost to fix P34B8?

The estimated repair cost for P34B8 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat