Trouble Codes

P0340 Camshaft Position Sensor Circuit Malfunction

błąd p0340 code

Reasons for appearance of DTC code P0340 General

Code P0340 may cause one or more of the following problems:

  • The camshaft sensor is damaged.
  • The crankshaft position sensor may fail.
  • The ECM module may be defective.
  • The cable from the sensor circuit to the ECM may be earthed or shorted.

Possible DTC code solutions P0340 General

To repair the DTC code P0340, you can check the following components:

  • Check that the cables and connectors of the circuit are properly connected.
  • Check the continuity between the circuit cable and the ECM pin.
  • Check that the camshaft position sensor is working.
  • If the cables or connectors fail, replace them.
  • Check the crankshaft position sensor circuit and check the 3 sensor contacts that are live, ground and signal (in volts).
  • Diagnose and, if necessary, replace the ECM control module

DTC code description P0340 General
The ECM engine control module uses information recorded in the camshaft position sensor, which records the speed at which the camshaft rotates to control both ignition and injection. This sensor detects the speed of the camshaft to identify the cylinder and also detects the position of the piston. The system of this sensor consists of a rotating part, a disc and a static part.

Symptoms of DTC code P0340 General

Light Check the engine is on.
Motor power is lost.
The engine may have difficulty starting or may not even start.