2008 GMC Yukon P0341 Camshaft Position Sensor

2008 GMC Yukon


  • 6.2L V8
  • Horsepower: Approximately 380 hp
  • Torque: Approximately 417 lb-ft


  • 6-speed automatic transmission

Fuel Economy:

  • The EPA estimated fuel economy is around 12-15 MPG in the city and 17-20 MPG on the highway.

Understanding and Troubleshooting P0341 Error Code on a 2008 GMC Yukon

An array of sensors and components in modern vehicles work together to ensure optimal performance. One critical sensor is the camshaft position sensor, which plays a vital role in synchronizing engine operations. In the case of a 2008 GMC Yukon with the 6.2L engine, encountering a P0341 error code can indicate an issue with this sensor. This article aims to provide an in-depth understanding of the P0341 error code, its causes, symptoms, and steps to diagnose and resolve the problem for a smooth driving experience.

What is the P0341 Error Code?

The P0341 error code is a generic diagnostic trouble code (DTC) that indicates a problem with the camshaft position sensor A (Bank 1) circuit. In simpler terms, it suggests that the signal from the camshaft position sensor is out of the expected range or is not being received properly by the Engine Control Module (ECM).


Symptoms of P0341 Error Code:

When a 2008 GMC Yukon experiences a P0341 error code, it can exhibit various symptoms that drivers should watch out for:

  1. Check Engine Light: The most common indicator of this error code is the illumination of the check engine light on the dashboard.
  2. Engine Misfire: The engine might misfire or run unevenly due to incorrect synchronization of the camshaft and crankshaft.
  3. Reduced Performance: Drivers might notice reduced acceleration or overall performance due to disrupted timing.
  4. Hard Starting: Starting the vehicle could become more difficult or take longer than usual.
  5. Stalling: In severe cases, the engine might stall unexpectedly while idling or driving.

Causes of P0341 Error Code:

Several factors can lead to the occurrence of the P0341 error code in a 2008 GMC Yukon:

  • Faulty Camshaft Position Sensor: A malfunctioning or damaged camshaft position sensor can send incorrect signals to the ECM.
Camshaft Position Sensor

The Camshaft Position Sensor (CMP sensor) is a vital component in a vehicle’s engine management system. Its main function is to monitor the position and rotational speed of the camshaft in relation to the engine’s crankshaft.

  • Wiring Issues: Damaged wires or poor connections in the sensor’s circuit can lead to signal disruptions.
  • Sensor Alignment: If the camshaft position sensor is not correctly aligned with the camshaft, it can result in erratic readings.
  • Timing Chain Problems: Issues with the timing chain can cause inconsistencies between the camshaft and crankshaft positions.

Diagnosis and Resolution:

To effectively diagnose and resolve the P0341 error code, follow these steps:

  1. Check the Wiring: Inspect the wiring and connections related to the camshaft position sensor. Look for signs of damage, corrosion, or loose connections.
  2. Inspect the Sensor: Examine the camshaft position sensor for physical damage. Ensure it is properly aligned with the camshaft.
  3. Scan for Additional Codes: Perform a comprehensive OBD-II scan to check for any related error codes that might provide additional insight.
  4. Check Timing Components: Examine the timing chain for wear or damage. Any discrepancies in timing can affect sensor readings.
  5. Replace the Sensor: If the sensor is faulty, consider replacing it with a high-quality OEM or aftermarket part.
  6. Clear the Code: After making repairs, use an OBD-II scanner to clear the error code and reset the check engine light.
  7. Test Drive: Take the vehicle for a test drive to ensure that the symptoms have been resolved and that the check engine light remains off.

The P0341 error code on a 2008 GMC Yukon is a clear indication of an issue with the camshaft position sensor circuit. By understanding the symptoms, causes, and diagnostic steps, vehicle owners can effectively address this problem and restore the smooth operation of their Yukon. If the issue persists or if you’re not confident in performing the diagnosis and repair yourself, it’s advisable to seek assistance from a qualified GMC mechanic to ensure the proper functioning of your vehicle’s engine.

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