Electrical system: software
Chevrolet technical service bulletin PI1343A for 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban and 2012 GMC Yukon and others.
- Bulletin number
- PI1343A
- Component
- Electrical system: software
- Summary
- This preliminary bulletin provides a procedure to reprogram the tcm to correct the customers concern of a harsh, tie up feeling from a 6-4 downshift.
Owners of these vehicles have filed 49 complaints in the electrical category.
Vehicles covered
- Chevrolet Tahoe 2012 2012
- Chevrolet Suburban 2012 2012
- GMC Yukon 2012 2012
- Chevrolet Silverado 2500 2012 2012
- GMC Yukon XL 2012 2012
- Chevrolet Avalanche 2012 2012
- GMC Sierra 2500 2012 2012
- GMC Yukon Denali 2012 2012
- GMC Yukon Denali XL 2012 2012
- GMC Sierra Denali 2012 2012
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