Hypertech Inline Speedometer Calibrator Module Installation Instructions
GMC technical service bulletin HT-03.03.2020 for 2019-2020 GMC Sierra 1500, 2019-2020 GMC Sierra 2500 and 2019-2020 GMC Sierra 3500.
- Bulletin number
- HT-03.03.2020
- Component
- Electrical system
- Summary
- Hypertech Inline Speedometer Calibrator Module Installation Instructions
Owners of these vehicles have filed 210 complaints in the electrical category.
Vehicles covered
- GMC Sierra 1500 2019-2020 20192020
- GMC Sierra 2500 2019-2020 20192020
- GMC Sierra 3500 2019-2020 20192020
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