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Service bulletins for the 2004 Cadillac XLR

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.

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

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
0508520022005-11-05. Service bulletin. ELECTRICAL SYSTEM. REMOTE KEYLESS ENTRY (RKE) SYSTEM DOES NOT FUNCTION PROPERLY, POOR RKE PERFORMANCE. *TT
34392005-05-11. Service bulletin. ELECTRICAL SYSTEM. SIR LAMP ON WITH A DIAGNOSTIC TROUBLE CODE (DTC) B1001 SET IN THE SDM. *TT
0408520032005-03-09. Service bulletin. ELECTRICAL SYSTEM. DIC MESSAGE NO FOB DETECTED. *EH
32232005-01-27. Service bulletin. ELECTRICAL SYSTEM. CHARGE SYSTEM FAULT MESSAGE. *EH
0408420112005-01-11. Service bulletin. ELECTRICAL SYSTEM. DRL / TURN SIGNAL BULD AND HEADLAMP WIRING HARNESS SERVICEABLE COMPONENTS. *EH
0406040562005-01-11. Service bulletin. ELECTRICAL SYSTEM. REVISED DIAGNOSTIC TROUBLE CODE P2101. *TT
31342004-11-03. Service bulletin. ELECTRICAL SYSTEM. NO CRANK AND DIC DISPLAYS NO FOB DETECTED. *TC UPDATE. *TT
00246A2004-07-19. Service bulletin. ELECTRICAL SYSTEM. XM DATA READING PATH FOR TECH 2. *TT
01491B2004-07-07. Service bulletin. ELECTRICAL SYSTEM. TECH 2 WILL NOT COMMUNICATE WITH THE VEHICLE. *MJ
021022004-06-25. Service bulletin. ELECTRICAL SYSTEM. LOSS OF HVAC TEMPERATURE CONTROL ONLY WITH THE FOLDING TOP IN THE DOWN POSITION. *MJ
021102004-06-23. Service bulletin. ELECTRICAL SYSTEM. INTERMITTENTLY THE SIR LAMP COMES ON SOLID OR FLASHES WHILE DRIVING. A CURRENT OR HISTORY CODE B0066 MAY BE SET IN THE SDM. *MJ
016162004-06-03. Service bulletin. ELECTRICAL SYSTEM. 4.0L (LH2) RWD NORTHSTAR ENGINE WITH P0300 MISFIRE CODES.*MR
020162004-05-25. Service bulletin. ELECTRICAL SYSTEM. THE TECH 2 CANNOT COMMUNICATE WITH GM-LAN MODULES.*MR
019562004-05-20. Service bulletin. ELECTRICAL SYSTEM. HIGH SPEED LAN DIAGNOSTICS/REMEMBERING OHMS LAW. *MR
020142004-05-19. Service bulletin. ELECTRICAL SYSTEM. 3.6 4.6 LY7 ENGINE DIAGNOSTIC TROUBLE CODE P0171. *MR
019902004-05-19. Service bulletin. ELECTRICAL SYSTEM. DRIVER DOOR INOPERATIVE FROM OUTSIDE DOOR TOUCH PAD, WILL OPEN FROM INSIDE. *MR
019792004-05-19. Service bulletin. ELECTRICAL SYSTEM. 4.6L LH2 ENGINE WITH A DIAGNOSTIC TROUBLE CODE P0420/P0430. *MR
017032004-05-03. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE (DTC) P0068 AND/OR P1101 ON VEHICLES WITH 4.6L (LH2) ENGINE. SIT BULLETIN 1454267. *TT
017322004-04-30. Service bulletin. ELECTRICAL SYSTEM:IGNITION. IGNITION POSITIONS FOR THE XLR AND HOW TO ACCESS. SIT BULLETIN 1459174. *TT
017242004-04-30. Service bulletin. ELECTRICAL SYSTEM. 4.6L LH2 ENGINE WITH A DIAGNOSTIC TROUBLE CODE (DTC) P0101, P0139, P0300, P0315, P1101, P1137, P2119 OR P2231. SIT BULLETIN 1457601. *TT
015912004-02-25. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THE BATTERY IN THE XLR AND CORVETTE ARE TOP POST FLOODED STYLE BATTERIES. *MN
015492004-02-25. Service bulletin. ELECTRICAL SYSTEM. VIEWING THE ROOF DATA WITH THE TECH 2. SIT BULLETIN 1410213. *TT
1491B2004-02-24. Service bulletin. ELECTRICAL SYSTEM. THE TECH 2 CANNOT COMMUNICATE WITH GM-LAN MODULES. SIT BULLETIN 140895. *TT
1024032004-01-26. Service bulletin. ELECTRICAL SYSTEM. COMPLAINTS THAT THE VEHICLE HAS REDUCED POWER AND WILL NOT GO OVER FIVE MILES AN HOUR AND THE TRACTION CONTROL MESSAGE IS DISPLAYED ON THE DIC. GM VOICEMAIL LOG. *TT
014412003-11-21. Service bulletin. ELECTRICAL SYSTEM. XLR TACHOMETER SI DIAGNOSTIC REVISION. *TT

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