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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

Bulletins, newest first
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
020042004-05-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISS ON ONE BANK WITH DIAGNOSTIC TROUBLE CODE P0300 NO CAM PHASER DIAGNOSTIC TROUBLE CODE. *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
018312004-05-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 5L40E, 5L50E AUTOMATIC TRANSMISSION REVISED FLUID LEVEL CHECKING PROCEDURE. *MR
018662004-05-07. Service bulletin. EQUIPMENT. KEY FOB TEST. *MR
018442004-05-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OILS LEAKS ON FRONT OF THE ENGINE. 4.6L LH2 ENGINE. *MR *TT
019212004-05-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L LH2 ENGINE EXCHANGE PROGRAM HAS ENDED. *MR
018942004-05-03. Service bulletin. SERVICE BRAKES, HYDRAULIC. FRONT BRAKE SQUEAL UNDER NORMAL BRAKING CONDITIONS. *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
016942004-04-30. Service bulletin. EQUIPMENT. TECH 2 CURRENTLY DOES NOT INDICATE ENGINE CONTROL MODULE (ECM) CALIBRATION NUMBER AFTER UPDATE. SIT BULLETIN 1449174. *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
017302004-04-30. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. XLR RADIO MAY DISPLAY CDX ERROR WHEN ATTEMPTING TO INSERT A CD. SIT BULLETIN 1459150. *TT
017862004-04-28. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. FROZEN DOOR GLASS PROCEDURE-WINDOWS DO NOT INDEX. *MR
017712004-04-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.0L L47, 4.6L LD8, L37, LH2 ENGINE COOLANT OR OIL LEAK.*MR
017592004-04-28. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. XM RAPID ACTIVATION UTILIZATION. *MR
017222004-04-27. Service bulletin. POWER TRAIN. 5L50E GOODWRENCH TRANSMISSION DOES NOT INCLUDE A OUTPUT SHAFT. SIT BULLETIN 1456820. *TT
017762004-04-27. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. CRUISE CONTROL WITH CLEAN RADAR MESSAGE ON DIC. SIT BULLETIN 1463231. *TT
018012004-04-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6LH2 ENGINE- OIL LEAKS AT CRANK CASE HALVES, OIL MANIFOLD, AND OIL PAN GASKET.*MR
0304200062004-03-03. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. FLUID LEAK AT REAR AXLE. *TT
01463A2004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 5L40 AND 5L50E AUTOMATIC TRANSMISSION SERVICEABLE COMPONENTS. SIT BULLETIN 1400878. *TT
014802004-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.6L ENGINE SQUEAL NOISE HEARD DURING AN IDLE AT THE REAR MAIN SEAL AREA. *TT

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