P0341 indicates that the engine control module has detected a signal from the Bank 1 camshaft position sensor that is out of its expected range or does not properly align with the crankshaft position sensor. This usually points to an issue with the sensor itself, the engine timing, or the wiring connecting the sensor to the control module.
The sensor itself may have failed internally, providing an erratic, degraded, or out-of-range signal to the engine computer.
If the engine timing is mechanically off, the camshaft and crankshaft signals will no longer align, triggering a range/performance code.
Corroded, frayed, or loose wiring and connectors can disrupt the sensor signal, causing it to fall out of the expected range.
A stuck or malfunctioning camshaft phaser can alter the camshaft timing relative to the crankshaft, causing a correlation error.
Internal failures in the engine control module are very rare for this code and should only be considered after all mechanical and electrical causes are ruled out.
It is not recommended. The engine may stall unexpectedly or fail to start, and if the cause is a mechanical timing issue, driving it can cause severe internal engine damage.
Yes. A stretched or jumped timing chain physically alters the timing relationship between the crankshaft and camshaft, which the computer detects as a range or performance error.
Accessibility varies by vehicle, but the sensor is usually located on the cylinder head. Some are easily accessible, while others may require removing engine covers or intake components.
Almost never. It is a common misconception to replace the engine computer for this code, but the actual cause is almost always a faulty sensor, a wiring issue, or a mechanical timing problem.