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Service bulletin 990730015A

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 id614356
Published by NHTSA2000-10-11
Manufacturer's number990730015A
Manufacturer's date2000-04-01
Replaces990730015
NHTSA componentPOWER TRAIN

NHTSA's summary

CONCERNS WITH MALFUNCTION INDICATOR LAMP ILLIMINATES, SPEEDOMETER FLUCTUATES / INOPERATIVE, CRUISE CONTROL / TORQUE CONVERTER CLUTCH INOPERATIVE. *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

Vehicles listed
CADILLAC DEVILLE1998, 1999
CADILLAC ELDORADO1998, 1999
CADILLAC SEVILLE1998, 1999
OLDSMOBILE AURORA1998, 1999

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
PI12172018-05-07. Service bulletin. This preliminary bulletin provides a way to aid the technician in diagnosing transmission fluid leaking from the trans breather vent.
PIP53462017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick connect verses inverted flare. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
36872006-02-17. Service bulletin. MISSING CAMSHAFT INTERMEDIATE DRIVE SHAFT PLUG - SERVICE VME. *TT
0407300342005-01-11. Service bulletin. SERVICE ENGINE SOON (SES) LIGHT ON, DIAGNOSTIC TROUBLE CODE (DTC) P0741, TORQUE CONVERTER CLUTCH (TCC) EXCESSIVE SLIP, TRANSAXLE CHUGGLE, SLIP/SURGE. *TT
020730039E2004-01-07. Service bulletin. FIRM TRANSMISSION SHIFTS, SHUDDER/CHUGGLE, TRANSMISSION WON'T DOWNSHIFT ON DECELERATION, SERVICE ENGINE SOON LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0742 SET. *TT UPDATE. *TT
00704A2003-11-22. Service bulletin. THE 4T65E AUTOMATIC TRANSMISSION MAY EXHIBIT A CONDITION OF A HARSH GARAGE SHIFT INTO REVERSE OR DRIVE ON A COLD START. *TT
9907300191999-11-26. Service bulletin. SUBJECT ON NO DRIVE OR NO REVERSE. *MJS
988771651998-08-28. Service bulletin. EXPERIENCING HARSH GARAGE SHIFT, HARSH OR DELAYED ENGAGEMENT OF PARK TO REVERSE OR DRIVE TO REVERSE. *YC
988771641998-08-04. Service bulletin. SOME COMMENTS ABOUT A NO ENGINE BRAKING CONDITION OR A SEVERL SECOND DELAY WHEN THE SHIFT LEVER IS PLACED IN THE D3 POSITION. *YC
988771651998-08-04. Service bulletin. CONCERNS WITH A DELAYED OR HARSH ENGAGEMENT FROM PARK TO REVERSE OR DRIVE TO REVERSE. *YC