OBD Guide

P34A4

A Camshaft Position Actuator Temperature Sensor Circuit Bank 1

P34A4 is an OBD-II diagnostic trouble code meaning: A Camshaft Position Actuator Temperature Sensor Circuit Bank 1. Common causes: open or short circuit in the sensor circuit, malfunction of the camshaft drive temperature sensor. Estimated repair cost: $17–56.

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

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Rough idle
  • Check Engine Light Illuminates
  • The engine goes into emergency mode

Causes

  • Open or short circuit in the sensor circuit
  • Malfunction of the camshaft drive temperature sensor
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check the resistance of the temperature sensor
  3. Inspect the connectors and contacts of the sensor
  4. Check wiring harness for damage
  5. If necessary, replace the camshaft drive temperature sensor.

Related codes

Error P34A4 by Vehicle Brand

FAQ

What does the P34A4 code mean?

P34A4 is an OBD-II diagnostic trouble code that indicates: A Camshaft Position Actuator Temperature Sensor Circuit Bank 1

What causes a P34A4 error code?

The most common causes of P34A4 include: Open or short circuit in the sensor circuit; Malfunction of the camshaft drive temperature sensor; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P34A4 diagnostic trouble code?

To fix P34A4: Check the integrity of the sensor circuit. Check the resistance of the temperature sensor. Inspect the connectors and contacts of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P34A4?

Yes, but get it checked soon

How much does it cost to fix P34A4?

The estimated repair cost for P34A4 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat