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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: Transmission and driveline are shown. Show all

Bulletins, newest first
24-NA-1412024-08-15. Service bulletin. POWER TRAIN. GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
PI1394B2024-02-02. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This PI bulletin advises the technician on the proper way to install the pistons in an engine.
03-00-91-001I2023-11-22. Service bulletin. WHEELS; POWER TRAIN; STEERING; SUSPENSION; ENGINE AND ENGINE COOLING. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
23-NA-1532023-09-26. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
PIP5640A2022-10-17. Service bulletin. POWER TRAIN. This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
06-00-89-031H2022-10-11. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
22-NA-1812022-09-19. Service bulletin. POWER TRAIN. This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission.
06-00-89-031D2021-09-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
02-07-30-052I2018-06-04. Service bulletin. POWER TRAIN; EQUIPMENT. This informational bulletin provides information for Automatic Transmission Oil Cooler Flow Test Essential Tool J-45096 TransFlow.
PIC3520C2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a failed module programming or difficulty performing certain diagnostic procedures due to the ignition not being in the "Ignition On, Engine Off" mode. Technician will need to press and hold the ACC/OFF portion of the Start/ACC/OFF mode button for 5 seconds with a valid keyless entry transmitter inside the vehicle and the transmission in Park or Neutral.
02-07-30-052J2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J-45096 TransFlow®.
0704200022007-07-24. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. REAR AXLE CLUNK AND/OR CHATTER TYPE NOISE ON TURNS (DRAIN/REFILL REAR DIFFERENTIAL FLUID). *KB UPDATED 4/11/08. *NJ
0504950012006-01-13. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. REAR WHEEL DRIVE SHAFT NUT TORQUE SPECIFICATION REQUIREMENTS AND INFORMATION ON REPLACEMENT SHAFTS FOR SERVICE. *AK
32772005-10-27. Service bulletin. POWER TRAIN. 5L40E/5L50E FLUID LEAK FROM BELL HOUSING AREA. *SC
35792005-10-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. UNABLE TO MOVE GEAR SHIFT LEVER OUT OF PARK AT TIMES. *TT
34892005-10-25. Service bulletin. POWER TRAIN. NO CRANK, TRANSMISSION RANGE INDICATOR INOPERATIVE. *SC
35592005-10-18. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. REAR AXLE CHATTER SHUDDER ON TURNS. *SC UPDATED. *KB UPDATED 9/30/08. *PE
33922005-09-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE 5L40E AND 5L50E AUTOMATIC TRANSMISSION MAY EXPERIENCE A CONDITION OF HIGH TCC SLIP SPEED AND OR DTC P0741. *TT UPDATED 09-26-07. *KB
6092005-09-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. OPERATING CHARACTERISTICS OF 5L40E/5L5OE TRANSMISSIONS. *SC
0507300012005-04-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION FOR DELAYED SHIFT ENGAGEMENT FROM PARK TO DRIVE. *EH
32332005-01-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. NO FORTH AND FIFTH GEAR POSSIBLE CODES P0700 P0741 P0762. *EH
30912004-11-05. Service bulletin. POWER TRAIN. OPERATING CHARACTERISTICS OF 5L40E/5L50E TRANSMISSIONS. *SC
3067A2004-10-08. Service bulletin. POWER TRAIN. UNACCEPTABLE SHIFT QUALITY AFTER TRANSMISSION REPAIR OR SOFTWARE/HARDWARE CHANGE. *TT
0407300122004-08-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TRANSMISSION FLUID CHECKING PROCEDURE FOR 5L40-E AND 5L50-E AUTOMATIC TRANSMISSIONS. *TT
0406040112004-08-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). NEW PROCEDURAL REQUIREMENTS FOR POWERTRAIN CONTROL MODULE (PCM) REPLACEMENT. *TT

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