Speedometer replacement mileage adjustment

Tiny
LARRYJPUERITT
  • MEMBER
  • 2006 CHEVROLET IMPALA
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 147,323 MILES
I’ve recently replaced my speedometer today with one I’ve found from a junkyard because the lights went out. I’ve put it in and realized the new one had more miles than I originally had. I was wondering was there anyway I can make it go back to what it was. Thanks in advance.
Sunday, March 24th, 2019 AT 11:07 AM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 15,235 POSTS
Not without removing the chip that stores the mileage and replacing it then using a scan tool and a Pin code to write the correct mileage into the new chip. Some of the newer units allow a mileage rewrite using a dealer code and pin, yours however uses a different style ROM chip. If the only issue with the old one was the back lighting you could repair the old one. There are multiple places that repair the clusters online as well.
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Sunday, March 24th, 2019 AT 1:18 PM

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