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

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
  • 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.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test DR .
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