If I change the ECM in my Pontiac, will it.

Tiny
CYNTHIAMCCREEDY-MCINTOSH
  • MEMBER
  • 2006 PONTIAC G6
  • 79,000 MILES
If I change the ecm in my pontiac, will it change the original miles on speedo?
Sunday, January 13th, 2013 AT 12:17 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
No, why are you changing it? Rare failure and expensive. After you buy a new one, never used, it must be flashed at the dealer. If it has failed, if you do not find the reason it failed, the new one may fail immediately

Roy
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Sunday, January 13th, 2013 AT 12:21 AM

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