Critical Info

• This unit is sold unlocked and requires a GM tech 2 Scantool & tis to program to the vehicles immobiliser.
• These units do not have variant coding.
• If before or after replacing ECM, the vehicle logs P0606 (ECM processor fault) or P1600 (ECM program error) fault codes, please be sure to check / replace the ignition coil pack as particular branded coils have been found to be the source of the fault codes.
• Please contact IM Group for replacement GOSS branded coil packs which have been designed to eradicate such fault codes. 
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