Service bulletin 040849006A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10008686
Published by NHTSA	2004-08-16
Manufacturer's number	040849006A
Manufacturer's date	2004-10-01
Replaces	040849006B
NHTSA component	STRUCTURE:BODY

NHTSA's summary

SERVICE MESSAGE DISPLAYED, DIAGNOSTIC TROUBLE CODE (DTC) C0550 SET (REPROGRAM EBCM). *MJ UPDATE. ORIGINAL NOT YET RECEIVED. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Body and frame

Trouble codes named

C0550

Vehicles listed
CADILLAC ESCALADE	2003
CHEVROLET AVALANCHE	2003
GMC YUKON	2003

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
04V129000	2004-03-17. STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS
03V094000	2003-03-07. STRUCTURE
03V037000	2003-02-06. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PIT3227S	2023-06-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIP5358B	2022-06-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
PIT3227R	2022-05-16. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIP5358A	2021-06-14. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
PI0281D	2021-04-26. Service bulletin. Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.
PI0281D	2021-04-26. Service bulletin. Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.
PIT3227P	2019-03-18. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIT3946C	2018-12-17. Service bulletin. This Preliminary Information communicates an issues with the headliner sagging and how to reattach the velcro using Hardman Double Bubble Epoxy part number 04001.
PI0657A	2018-05-21. Service bulletin. This preliminary information bulletin provides a procedure for replacement of the liftgate applique for concerns regarding the applique being deformed or dimpled or paint damage at the lower edge of the applique
10-00-89-017W	2018-05-21. Service bulletin. This informational bulletin provides a list of newly released PI and Bulletins in regards to recent released vehicles so that vehicles can be fixed right the first time in for service.