P0348 Fault Code

Camshaft Position Sensor A Circuit High Input (Bank 2)

• What does that mean?
• Symptoms
• Causes
• Solutions

• The P0348 code indicates that the engine control module (ECM) has detected a high voltage signal from the camshaft position sensor A on Bank 2.
• This sensor is crucial for monitoring the position of the camshaft and ensuring proper engine timing. If the voltage is too high, it can disrupt the engine's performance and timing adjustments.

What are the symptoms of the P0348 code?

• The engine may exhibit rough idling or poor performance, particularly under load.
• There could be a noticeable decrease in fuel efficiency.
• The check engine light will be illuminated on the dashboard.
• In some cases, the engine may fail to start or could stall unexpectedly.

What causes the P0348 code?

• A short circuit in the wiring or connectors related to the camshaft position sensor.
• A malfunctioning camshaft position sensor itself can also lead to this error.
• Issues with the engine control module (ECM) can sometimes misinterpret sensor signals, leading to false codes.

How to fix P0348?

• Inspect the wiring and connectors for any signs of damage or corrosion, repairing or replacing as necessary.
• Test the camshaft position sensor using a multimeter to ensure it is functioning correctly; replace it if it’s faulty.
• If the sensor and wiring are fine, further diagnostics may be needed on the ECM or related engine systems.