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P0606 - Control Module Processor

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P0606 - CONTROL MODULE PROCESSOR

Description:  This DTC indicates an internal powertrain control module (PCM) communication error.
Possible Causes: 
  • Battery or PCM previously disconnected
  • Battery cables loose or intermittent connections
  • Battery discharged
  • VPWR circuit open
  • PWRGND circuit open
  • Module communication error
  • Damaged PCM
Diagnostic Aids:  Reprogram or update the calibration. Check for other DTCs or drive symptoms for further action. Make sure to check for aftermarket performance products before installing a new PCM. If it is necessary to install a new PCM, refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Programming the VID Block for a replacement PCM.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST Z .
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