P0341 GMC Sierra 1500
Camshaft Position Sensor Range/Performance (Bank 1) · Powertrain Code · High
What is P0341?
The camshaft position sensor on bank 1 is reading outside expected parameters.
When the GMC Sierra 1500 triggers code P0341 (camshaft position sensor range/performance (bank 1)), it typically points to an issue in the powertrain system. This is a high severity code, so address it promptly to avoid further damage or safety concerns. Below you'll find the most common causes, symptoms, and repair options specific to the GMC Sierra 1500.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your GMC Sierra 1500.
Common Causes on GMC Sierra 1500
- Stretched timing chain causing cam-to-crank correlation error (very common on GM 1.5T LYX/L3B)
- Worn cam phaser causing inconsistent cam position signal
- Failed camshaft position sensor giving intermittent readings
- Low oil pressure affecting VVT cam phaser position
- Jumped timing chain (severe cases)
Symptoms
- Check Engine Light on
- Rattling noise on cold start (timing chain slap)
- Reduced power and rough running
- Intermittent stalling
- Hard starting
- Engine vibration at idle
Notes for GMC Sierra 1500
P0341 on GM 1.5T Equinox/Terrain engines is a well-known issue — timing chain replacement is the definitive fix and should not be delayed.