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Service bulletin 050730007

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10015011
Published by NHTSA2005-05-14
Manufacturer's number050730007
Manufacturer's date2005-03-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

TRANSMISSION DOES NOT STAY IN SPORT MODE AFTER IGNITION IS CYCLED. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission

Vehicles listed
CADILLAC CTS2004

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
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08-08-49-0012008-03-27. Service bulletin. INACCURATE FUEL GAGE READINGS, FUEL GAGE READS EMPTY WHEN THERE IS FUEL IN TANK, FUEL LEVEL LOW MESSAGE IN DIC, DTC P2066 SET (REPROGRAM ECM). WITH 2.8L OR 3.6L ENGINE (VINS T, 7 - RPO'S LP1, LY7). *NJ
0607300202007-01-04. Service bulletin. INTERMITTENT ENGINE CHUGGLE AT HIGHWAY SPEEDS DURING LIGHT THROTTLE LOAD. (REPROGRAM TRANSMISSION CONTROL MODULE (TCM)). *KB
33922005-09-28. Service bulletin. 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. OPERATING CHARACTERISTICS OF 5L40E/5L5OE TRANSMISSIONS. *SC
0507300012005-04-20. Service bulletin. INFORMATION FOR DELAYED SHIFT ENGAGEMENT FROM PARK TO DRIVE. *EH
010142004-08-24. Service bulletin. DRIVELINE/EXHAUST GROWL/MOAN NOISE AT SPEEDS OF APPROXIMATELY 35-45 MPH (56-72 KM/H) IN 5TH GEAR WITH THE TCC APPLIED. *TT
0407300122004-08-14. Service bulletin. TRANSMISSION FLUID CHECKING PROCEDURE FOR 5L40-E AND 5L50-E AUTOMATIC TRANSMISSIONS. *TT
0406040112004-08-13. Service bulletin. NEW PROCEDURAL REQUIREMENTS FOR POWERTRAIN CONTROL MODULE (PCM) REPLACEMENT. *TT