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Service bulletins for the 2004 Cadillac CTS

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.

567 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
08089-B2009-02-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE
08-0892008-11-15. Service bulletin. EQUIPMENT:ELECTRICAL. BUICK CADILLAC CHEVROLET GMC HUMMER OLDSMOBILE PONTIAC SAAB SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. FCC RULED IN 2002 WIRELESS CARRIERS WOULD NO LONGER RE REQUIRED TO SUPPORT ANALOG WIRELESS NETWORK STARTING IN 2008. *PE CSC LETTER WAS RECEIVED. UPDATED 12/1/08. *PE
050846006A2005-05-14. Service bulletin. EQUIPMENT. INFORMATION ON UPGRADING CERTAIN ONSTAR GENERATION 5 ANALOG/DIGITAL-READY SYSTEMS TO ONSTAR GENERATION 6 DUAL-MODE (ANALOG/DIGITAL). *TT
030847001A2005-04-19. Service bulletin. EQUIPMENT:ELECTRICAL. CIGAR LIGHTER AND ACCESSORY POWER OUTLETS TIME OUT 10 MINUTES AFTER IGNITION SHUT-OFF OR OUTLETS REMAIN ON AFTER IGNITION SHUT-OFF. *TT UPDATE. *TT
30442004-11-17. Service bulletin. EQUIPMENT. GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION. *TT
31032004-11-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RADIO OPTION CONFIGURATION. (2003 CADILLAC SRX). *JB
30382004-10-14. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. VIEWING XM RADIO CHANNEL INFORMATION WITH BASE RADIOS. *TT
30592004-10-08. Service bulletin. EQUIPMENT. WHEN USING ONSTAR PERSONAL CALLING FEATURE, THE CALLER CANNOT BE HEARD ON OUTBOUND CALL ONLY. *TT
30472004-10-08. Service bulletin. EQUIPMENT. 99 THROUGH 05 YEAR VEHICLES, EQUIPPED WITH THREE-BUTTON ONSTAR SYSTEMS. *TT
00372D2004-06-09. Service bulletin. EQUIPMENT:ELECTRICAL. ONSTAR SYSTEM IS ATTEMPTING AND/OR COMPLETING PHONE CALLS WHICH THE OPERATOR OF THE VEHICLE DID NOT INITIATE. *TT
018892004-05-03. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NO VOICE RECOGNITION WITH NAVIGATION SYSTEM. *MR
016922004-04-30. Service bulletin. EQUIPMENT. APPEARANCE OF NAVIGATION RADIO PRESETS WITH RDS. SIT BULLETIN 1442768. *TT
030848005A2004-03-04. Service bulletin. EQUIPMENT. COMPASS ZONE ADJUSTMENT AND CALIBRATION PROCEDURE DURING PRE-DELIVERY INSPECTION. VARIOUS MODELS INCLUDING 2002-2004 LIGHT DUTY TRUCKS. *TT UPDATE TO INCLUDE 2005 BUICK ALLURE. *TT
0301380192004-03-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. UNDERHOOD AIR CONDITIONER RATTLE NOISE HEARD ON ACCELERATION OR A SUDDEN LOSS OF AIR CONDITIONER SYSTEM PERFORMANCE. *TT THIS BULLETIN REPLACES 03-01-38-019 DATED 11-01-2003. TO INCLUDE VARIOUS MODLES INCLUDING 2002-2004 COMMERCIAL UPFITTER CHASSIS VEHICLES. *TT
014922004-03-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. POOR OR NO HVAC HEAT. SIT BULLETIN 1401099. *TT
0308480052003-12-03. Service bulletin. EQUIPMENT. COMPASS ZONE ADJUSTMENT AND CALIBRATION PROCEDURE DURING PRE-DELIVERY INSPECTION. *TT
014712003-11-25. Service bulletin. EQUIPMENT:ELECTRICAL. TECH 2 WILL NOT COMMUNICATE WITH THE VEHICLE. *TT
013182003-11-18. Service bulletin. EQUIPMENT:ELECTRICAL. TECH 2 WILL NOT COMMUNICATE WITH THE VEHICLE. *TT
0716032003-10-31. Service bulletin. EQUIPMENT. THIS VME REMINDER IS TO STRESS THAT THE NEW GM LAND SYSTEM VEHICLES REQUIRE USE OF THE CANDY MODULE. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.