DTC P0340: Camshaft Position Sensor A Circuit (Bank 1 Or Single Sensor)

WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.

P0340 - CAMSHAFT POSITION SENSOR A CIRCUIT (BANK 1 OR SINGLE SENSOR)

Description: This DTC sets when the PCM can no longer detect the signal from the camshaft position (CMP) sensor on bank 1 (vehicles with a single CMP sensor per bank) or bank 1, sensor 1 (vehicles with dual CMP sensors per bank). For additional CMP sensor location information, refer to ENGINE CONTROL COMPONENTS .
Possible Causes: CMP circuit open CMP circuit short to ground CMP circuit short to voltage SIGRTN circuit open VRSRTN circuit open CMP circuit shorted to other CMP circuits (2 or more CMP sensor systems) Damaged CMP sensor shielding CMP sensor incorrectly installed Damaged CMP sensor
Diagnostic Aids: Harness routing, harness alterations, incorrect shielding, or electrical interference from other systems may have an intermittent impact on the CMP signal.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST DR .