HomePIT6549 · CADILLAC, CHEVROLET, GMC
CADILLAC, CHEVROLET, GMC

PIT6549

Manufacturer communications

Publication date
2026-09-21
Received by NHTSA
2026-09-29
NHTSA record numbers
11037551

Manufacturer summary

Original wording in English

This preliminary information communicates an issue with a service column lock message and DTC U3000. Engineering is working on the issue and in the meantime dealerships are to reset/clear the DTC and perform four sleep cycles to verify the DTC does not return.

NHTSA manufacturer communications ↗

Reported code forms

U3000

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
CadillacESCALADE2025
CadillacESCALADE ESV2026
CadillacESCALADE ESV2025
CadillacESCALADE IQ2026
CadillacESCALADE IQ2025
CadillacESCALADE IQL2026
ChevroletSILVERADO 15002026
ChevroletSILVERADO 15002025
ChevroletSILVERADO 15002024
ChevroletSILVERADO 25002026
ChevroletSILVERADO 25002025
ChevroletSILVERADO 25002024
ChevroletSILVERADO 35002026
ChevroletSILVERADO 35002025
ChevroletSILVERADO 35002024
ChevroletSUBURBAN 15002026
ChevroletSUBURBAN 15002025
ChevroletSUBURBAN 15002024
ChevroletTAHOE2026
ChevroletTAHOE2025
ChevroletTAHOE2024
GMCSIERRA 15002026
GMCSIERRA 15002025
GMCSIERRA 15002024
GMCSIERRA 25002026
GMCSIERRA 25002025
GMCSIERRA 25002024
GMCSIERRA 35002026
GMCSIERRA 35002025

Data coverage →