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Service bulletin 010730027

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 id627733
Published by NHTSA2002-02-15
Manufacturer's number010730027
Manufacturer's date2001-10-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

INFORMATION REGARDING REFERENCING DIAGNOSTIC TROUBLE CODE P0748 DIAGNOSTIC PROCEDURE FOR HARSH SHIFT AND/OR HARSH GARAGE SHIFT CONCERNS. *YH

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

Trouble codes named

P0748

Vehicles listed
CADILLAC DEVILLE2001
CADILLAC ELDORADO2001
CADILLAC SEVILLE2001
OLDSMOBILE AURORA2001

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
0607300232007-01-08. Service bulletin. 4T65E TRANSMISSION 1-2 SHIFT SHUDDER AT LIGHT TO MODERATE ACCELERATION. REPLACE COMPLETE SECOND CLUTCH ASSEMBLY. *KB
020730013D2005-02-15. Service bulletin. INCORRECT TRANSMISSION SHIFTS POOR ENGINE PERFORMANCE HARSH 1-2 UPSHIFTS SLIPS 1ST AND REVERSE TORQUE CONVERTER CLUTCH STUCK OFF ON DIAGNOSTIC TROUBLE CODE P0730, P0756, P0757, P0741, P0742. *EH *TT
0407300032005-01-04. Service bulletin. WHINE/HUM NOISE FROM AUTOMATIC TRANSAXLE BETWEEN 20 MPH - 50 MPH (32 - 80 KM/H) WITH LIGHT THROTTLE APPLICATIONS. *TT
31022004-11-05. Service bulletin. SERVICE VME 01-04 VEHICLE EQUIPPED WITH 4T65E AUTOMATIC TRANSMISSION 4T65E TRANSMISSION VALVE BODY INSPECTION PROCEDURE. (TO INCLUDE 2004 PONTIAC AZTEC) *SC ALL 2001 - 2006 PASSENGER VEHICLES WITH 4T65E TRANSAXLE. *TT
30132004-08-25. Service bulletin. C1298 IN EBTCM AND UI040 IN POWERTRAIN CONTROL MODULE (PCM), DURING KEY POWER MODE CHANGES. *MJ
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
014322003-12-05. Service bulletin. AUTOMATIC TRANSMISSION POOR ACCELERATION, PERFORMANCE. *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
0624022002-11-08. Service bulletin. CUSTOMER COMPLAINTS OF EXCESSIVE TRANSMISSION NOISE IN THE PASSENGER COMPARTMENT THAT COMES FROM THE ENGINE COMPARTMENT. *TT
1801022002-04-05. Service bulletin. SOME OWNERS MAY EXPERIENCE A 4-3 DOWNSHIFT BUMP UNDER ACCELERATION. *TT