DTC P0394 - Camshaft Position Sensor B Circuit Intermittent (Bank 2)

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DTC DESCRIPTION P0394 - CAMSHAFT POSITION SENSOR B CIRCUIT INTERMITTENT (BANK 2)

Description:	This DTC sets when the CMP21 (6.2L) or CMP22 (all others) circuit signal is intermittent. For additional camshaft position (CMP) sensor location information, refer to ENGINE CONTROL COMPONENTS .
Possible Causes:	Intermittent open circuit Intermittent short circuit Camshaft timing incorrectly set Camshaft position sensor trigger wheel out of alignment Damaged camshaft position bank 2 sensor 1 (CMP21) shielding (6.2L) Damaged camshaft position bank 2 sensor 2 (CMP22) shielding (all others) Incorrect harness connections Corrosion Continuous oil flow to the VCT piston chamber Erratic camshaft position due to low oil pressure Oil flow restriction in the oil passages or the VCT valve body Damaged CMP21 sensor (6.2L) Damaged CMP22 sensor (all others)
Diagnostic Aids:	Harness routing, harness alterations, incorrect shielding, or electrical interference from other systems may have an intermittent impact on the CMP signal. Diagnose any base engine concerns related to the engine oil pressure or engine timing. Refer to the Engine System General Information article, Oil Pressure Test, to check the engine oil pressure. Refer to the Engine article to check the engine timing and VCT phasers.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST DR .