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Home >> Ford >> 2021 >> F-150 Raptor >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Diagnostic Methods (Diesel) >> Flash Electrically Erasable Programmable Read Only Memory (EEPROM) >> Making Changes To The PCM Calibration
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Making Changes To The PCM Calibration

At certain times, the entire flash EEPROM needs to be reprogrammed. This is due to changes made to the strategy or calibration after production. Refer to PCM Reprogramming on the scan tool.