P0341 Toyota Corolla
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 Toyota Corolla 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 Toyota Corolla.
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 Toyota Corolla.
Common Causes on Toyota Corolla
- Camshaft position sensor signal out of expected range — timing chain jumped a tooth
- CMP sensor air gap too large or sensor misaligned
- Worn timing chain tensioner allowing chain slack
- Incorrect camshaft timing after recent timing chain or belt service
Symptoms
- Check Engine Light on
- Engine may start and run but with reduced power
- Rattling noise from timing chain area on cold start
- Misfires due to incorrect valve timing
- VVT-i system codes may also be present
Notes for Toyota Corolla
Toyota issued TSBs for timing chain issues on certain 2AR-FE Camry/RAV4 engines — check for updated chain tensioner parts before replacing.
