HomePIT6459A · CADILLAC, CHEVROLET, GMC
CADILLAC, CHEVROLET, GMC

PIT6459A

Manufacturer communications

Publication date
2026-01-05
Received by NHTSA
2026-01-13
NHTSA record numbers
11027597

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

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