P34BC

B Camshaft Position Actuator Position Sensor A Circuit Bank 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–78 (est.)

Symptoms

Check engine light comes on
Reduced engine power
Increased fuel consumption
Hard engine start
Unstable idle speed

Causes

Camshaft position sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Mechanical damage to wiring
Problems with the engine control unit

How to Fix

Check the integrity of the sensor wiring and connectors
Check sensor resistance and reference voltage
Replacing a faulty camshaft position sensor if necessary
Flashing or replacing the engine control unit if errors are detected

Related codes

P34BD P34BB P34BA