Home08-07-30-021H · CADILLAC, CHEVROLET, GMC, HUMMER
CADILLAC, CHEVROLET, GMC, HUMMER

08-07-30-021H

Manufacturer communications

Publication date
2015-06-25
Received by NHTSA
2017-08-15
NHTSA record numbers
10113715

Manufacturer summary

Original wording in English

This technical bulletin provides repair information to correct customer concerns of loss of high speed GMLAN communications, intermittent no crank, IP gauge fluctuation, intermittent door lock cycling /chime operation, various IP warning lamps illuminated, transmission may not shift, communication DTCs U0073, U0100, U0101, U0102, U0109, U0121 or U0140 set.

NHTSA manufacturer communications ↗

Reported code forms

U0073U0100U0101U0102U0109U0121U0140

Check vehicle applicability

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

MakeModelModel year
ChevroletAVALANCHE2008
ChevroletAVALANCHE2007
ChevroletCORVETTE2014
ChevroletCORVETTE2013
ChevroletCORVETTE2012
ChevroletCORVETTE2011
ChevroletCORVETTE2010
ChevroletCORVETTE2009
ChevroletCORVETTE2008
ChevroletCORVETTE2007
ChevroletSILVERADO 15002011
ChevroletSILVERADO 15002010
ChevroletSILVERADO 15002009
ChevroletSILVERADO 15002008
ChevroletSILVERADO 15002007
ChevroletSILVERADO 25002014
ChevroletSILVERADO 25002013
ChevroletSILVERADO 25002012
ChevroletSILVERADO 25002011
ChevroletSILVERADO 25002010
ChevroletSILVERADO 25002009
ChevroletSILVERADO 25002008
ChevroletSILVERADO 25002007
ChevroletSILVERADO 35002013
ChevroletSUBURBAN2014
ChevroletSUBURBAN2013
ChevroletSUBURBAN2012
ChevroletSUBURBAN2011
ChevroletSUBURBAN2010
ChevroletSUBURBAN2009

Data coverage →