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P0606 - Control Module Processor

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P0606 - CONTROL MODULE PROCESSOR

Description:  This DTC indicates a register readback powertrain control module (PCM) internal communications error.
Possible Causes: 
  • Damaged PCM
Diagnostic Aids:  An internal PCM concern may be present. If only DTC P0606 is present, clear the DTCs. Repeat the self-test. Repair as necessary. If DTC P0606 is retrieved again, install a new PCM. Refer toFLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Reprogram or update the calibration. Check for other DTCs and diagnose those first. Make sure to check for aftermarket performance products before installing a new PCM. Clear the DTCs, repeat the self-test. If the DTC is retrieved again, install a new PCM. Refer toFLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Programming the VID Block for a Replacement PCM.
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