2010 Chevrolet Avalanche Speedometer calibration

2010 CHEVROLET AVALANCHE
78,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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MARCINK
  • MEMBER
  • 1 POST
Hi,
I have a 2010 Chevrolet Avalanche LT and I just changed gear ratio from 3.08 to 3.42, so now my speedometer is off by approx. 10 km/h
I was wondering if it is possible to re-calibrate speedometer to show the correct speed?
Jul 16, 2014 at 9:28 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
it needs reprogramming for that see if garage can do that or if not the dealer can.
Jul 16, 2014 at 10:14 AM
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