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Service bulletin 040525002B

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 id10008659
Published by NHTSA2004-08-13
Manufacturer's number040525002B
Manufacturer's date2005-11-01
Replaces040525002C
NHTSA componentSERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

NHTSA's summary

ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTCS) C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. *TT UPDATE. *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

Brakes, Anti-lock brakes

Trouble codes named

C0201, C0265, U1041

Vehicles listed
BUICK RAINIER2004, 2005
CADILLAC ESCALADE2002, 2003, 2004, 2005, 2006
CHEVROLET AVALANCHE2002, 2003, 2004, 2005, 2006
CHEVROLET SILVERADO1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
CHEVROLET SSR2003, 2004, 2005
CHEVROLET SUBURBAN2000, 2001, 2002, 2003, 2004, 2005, 2006
CHEVROLET TAHOE2000, 2001, 2002, 2003, 2004, 2005, 2006
CHEVROLET TRAILBLAZER2002, 2003, 2004, 2005
GMC ENVOY2002, 2003, 2004, 2005
GMC SIERRA1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
GMC YUKON2000, 2001, 2002, 2003, 2004, 2005, 2006
OLDSMOBILE BRAVADA2002, 2003, 2004

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

Recalls for the same vehicles and component
05V3790002005-08-29. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
00V0550002000-02-28. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

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
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
38322006-02-22. Service bulletin. ABS, RED BRAKE ,SVC AND 4WD LIGHT ON HVAC BLOWER INOPERATIVE. *AK UPDATED 1/30/08. *NJ
17501772006-02-17. Service bulletin. ABS BRAKE SVC AND 4WD LIGHT ON HVAC BLOWER INOPERATIVE. *AK
3204B2005-11-07. Service bulletin. INSTALLATION OF AN AFTERMARKET TRAILER BRAKE MODULE. *TT
34552005-10-29. Service bulletin. SUPPLEMENT TO 04094 FRONT WHEEL SPEED SENSOR CORROSION. *TT
050682005-09-28. Service bulletin. PRODUCT SAFETY RECALL REGARDING FRONT WHEEL SPEED SENSOR CORROSION. *TT
34912005-05-11. Service bulletin. ANTI-LOCK BRAKING SYSTEM (ABS) TELLTALE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE C0550. *TT
040525005A2005-03-08. Service bulletin. ANTILOCK BRAKE SYSTEM LIGHT ON SERVICE BRAKE SYSTEM MESSAGE ON DRIVER INFORMATION CENTER. *EH UPDATED *EH