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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

97 Tahoe speedometer reads fast , has correct tire and wheel size.

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Old Mar 8, 2023 | 11:24 AM
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Default 97 Tahoe speedometer reads fast , has correct tire and wheel size.
97 Tahoe speedometer reads fast , has correct tires and wheels , changed speed sensor on transfer case. What to do next?
Last edited by Couch Rider; Mar 8, 2023 at 11:27 AM.
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Old Mar 9, 2023 | 1:51 PM
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newer models have a tire and wheel size setup in the ebcm. check the ebcm to see if the correct tire size is entered. if not the speedo and shift timing will be off.
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Old Mar 11, 2023 | 2:29 AM
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Yea, it’s all ready off , don’t know what happened to cause it. I don’t know if a 97 model can be set to tire size . Wonder how I could find out if the older models like mine have that.
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Old Mar 11, 2023 | 10:06 AM
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need a scan tool that can access the ebcm
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