P06DF - Glow Plug Control Module 1 Memory Checksum Error

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DTC DESCRIPTION P06DF - GLOW PLUG CONTROL MODULE 1 MEMORY CHECKSUM ERROR

Description: This DTC sets when the glow plug control module (GPCM) indicates an internal software error has occurred.
Possible Causes: An attempt was made to change the calibration Aftermarket performance products GPCM programming error Internal GPCM error
Diagnostic Aids:
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST AF .