How to fix P0340 engine code: Camshaft Position Sensor "A" Circuit Bank 1 or Single Sensor
The Camshaft Position Sensor reports the computer ECM/PCM the location of the Camshaft as it spins.
The ECM/PCM uses the information for the timing of the engine.
If replaced, some vehicles need a Cam sensor Relearn procedure.
When possible, it is best to replace the sensor with an OEM original.
Possible Causes of a P0340 Code:
Bad Camshaft Position Sensor A
Wiring (Open Short)
Blown Fuse
Timing Components (Belt, Chain, or Tensioner)
By using this information user assumes all risk of use.