This PI communicates an issue where the Brake System Control Module DTC: U0028-88 and U0037-88 diagnostics...
Chevrolet technical service bulletin PIT6459A for 2026 Chevrolet Tahoe, 2026 GMC Yukon and 2026 GMC Yukon XL and others.
- Bulletin number
- PIT6459A
- Component
- Unknown or other
- Summary
- This PI communicates an issue where the Brake System Control Module DTC: U0028-88 and U0037-88 diagnostics are backwards and follow the diagnostic procedure for U0037 if U0028 is set and vice versa.
Vehicles covered
- Chevrolet Tahoe 2026 2026
- GMC Yukon 2026 2026
- GMC Yukon XL 2026 2026
- Cadillac Escalade 2026 2026
- Chevrolet Suburban 1500 2026 2026
- Cadillac Escalade ESV 2026 2026
- Chevrolet Silverado EV 2026 2026
- GMC Sierra EV 2026 2026
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