HomePIT6459 · CADILLAC, CHEVROLET, GMC
CADILLAC, CHEVROLET, GMC

PIT6459

Manufacturer communications

Publication date
2025-11-26
Received by NHTSA
2025-12-03
NHTSA record numbers
11026069

Manufacturer summary

Original wording in English

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.

NHTSA manufacturer communications ↗

Reported code forms

U0028U0037

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
CadillacESCALADE2026
CadillacESCALADE ESV2026
ChevroletSILVERADO EV2026
ChevroletSUBURBAN 15002026
ChevroletTAHOE2026
GMCSIERRA EV2026
GMCYUKON2026
GMCYUKON XL2026

Data coverage →