DTC P0340: Camshaft Position (CMP) Sensor Circuit Malfunction (Bank 1)

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P0340 - CAMSHAFT POSITION (CMP) SENSOR CIRCUIT MALFUNCTION (BANK 1)

Description:	The test fails when the powertrain control module (PCM) can no longer detect the signal from the CMP sensor on bank 1.
Possible Causes:	CMP circuit open CMP circuit short to GND CMP circuit short to PWR SIG RTN open (VR sensor) CMP GND open (Hall-effect sensor) CMP circuit short to CMP2 circuit (if equipped) CMP incorrectly installed (Hall-effect sensor) Damaged CMP sensor shielding Damaged CMP sensor Damaged PCM
Diagnostic Aids:	Harness routing, harness alterations, improper shielding, or electrical interference from other improperly functioning systems may have an intermittent impact on the CMP signal.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to DR: Camshaft Position (CMP) Sensor STEP DR1.