HomeGCUS-9-286 · CADILLAC, CHEVROLET, GMC
CADILLAC, CHEVROLET, GMC

GCUS-9-286

Manufacturer communications

Publication date
2015-09-16
Received by NHTSA
2017-11-17
NHTSA record numbers
10123492

Manufacturer summary

Original wording in English

15304 - Service Update. This bulletin provides a service procedure to reprogram the transfer case control module on the vehicles listed above. In low ambient temperatures, below 5°F (-15°C) a transfer case brake motor assembly malfunction may occur. Diagnostic Trouble Code (C0398 - Range Position Correlation Fault) will be set, locking the transfer case in ?4HI? until the vehicle is serviced. This software update also addresses other transfer case control issues for overall improved drivability.

NHTSA manufacturer communications ↗

Reported code forms

Check vehicle applicability

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

MakeModelModel year
CadillacESCALADE ESV2015
ChevroletSILVERADO 15002014
ChevroletSILVERADO 25002015
ChevroletSUBURBAN2015
ChevroletTAHOE2015
GMCCANYON2015
GMCSIERRA 15002015
GMCSIERRA 15002014
GMCYUKON XL2015

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