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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: Automatic transmission are shown. Show all

Bulletins, newest first
06-00-89-031D2021-09-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
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®.
35792005-10-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. UNABLE TO MOVE GEAR SHIFT LEVER OUT OF PARK AT TIMES. *TT
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
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
008362004-07-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 5L40E 5L50E TRANSMISSION- HIGH TCC SLIP SPEED AND OR DIAGNOSTIC TROUBLE CODE (DTC) P0741 HIGH TCC SLIP SPEED. *MJ
018312004-05-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 5L40E, 5L50E AUTOMATIC TRANSMISSION REVISED FLUID LEVEL CHECKING PROCEDURE. *MR
01463A2004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 5L40 AND 5L50E AUTOMATIC TRANSMISSION SERVICEABLE COMPONENTS. SIT BULLETIN 1400878. *TT
014322003-12-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION POOR ACCELERATION, PERFORMANCE. *TT
020730012B2003-04-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HYDRA-MATIC 5L40-E SERVICEABLE COMPONENTS AND LABOR OPERATIONS. ORIGINAL NOT YET RECEIVED. *TT BULLETIN 02-07-30-012B NOT YET RECEIVED. *TT
0207300022002-06-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION ON 5L40E AUTOMATIC TRANSMISSION OPERATING CHARACTERISTICS. *SLC *AR

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