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P21D4 - Cylinder 6 Injector B Circuit/Open

P21D4 - CYLINDER 6 INJECTOR B CIRCUIT/OPEN

Description:  The comprehensive component monitor (CCM) monitors the operation of the fuel injector drivers in the PCM. This DTC sets when the fuel injector circuitry is inoperative.
Possible Causes: 
  • VPWR circuit open
  • INJ6 circuit open
  • Damaged fuel injector 6
  • Damaged PCM
Diagnostic Aids:  The INJ6_F PID flags equals YES.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test KG .