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DTC P0602: Powertrain Control Module (Pcm) Programming Error

WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Mariner, and 2006 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P0602 - POWERTRAIN CONTROL MODULE (PCM) PROGRAMMING ERROR

Description:  This DTC indicates a programming error within the vehicle ID (VID) block.
Possible Causes: 
  • VID data corrupted by the diagnostic tool during VID reprogramming
Diagnostic Aids:  Using the diagnostic tool, reprogram the VID block. If the PCM does not allow reprogramming of the VID block, reprogram the PCM.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All The VID block must be programmed. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .
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