WenmarOpen by Wenmar Pro

Service bulletin 4143

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)
TypeService bulletin
NHTSA id10020964
Published by NHTSA2007-02-02
Manufacturer's number4143
Replaces4143B
NHTSA componentSERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

NHTSA's summary

ABS LIGHT ON DTC C0040 STORED. *KB UPDATED ON 09/21/07. *NJ

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

Brakes, Anti-lock brakes

Trouble codes named

C0040

Vehicles listed
BUICK RAINIER2007
CHEVROLET TRAILBLAZER2008
CHEVROLET TRAILBLAZER 3602007 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY2008
GMC ENVOY 3602007 (the catalog's model; the bulletin names a series or trim of it)
SAAB 9-7X2007, 2008

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

Other bulletins for the same vehicles and component
PIT3271J2019-12-09. Service bulletin. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIT-50402011-05-09. Service bulletin. GM: THE ABS LIGHTS MAY COME ON INTERMITTENTLY WITH THREE POSSIBLE TROUBLE CODES. *RM
0405250022007-08-15. Service bulletin. ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB
38772007-02-02. Service bulletin. UNABLE TO LOCATE CONNECTOR C111 OR DTC C0186, C0196. ABS CONNECTOR LAMP. *KB
38322006-02-22. Service bulletin. ABS, RED BRAKE ,SVC AND 4WD LIGHT ON HVAC BLOWER INOPERATIVE. *AK UPDATED 1/30/08. *NJ