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Service bulletins for the 2001 Buick Regal

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.

399 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
0607300232007-01-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4T65E TRANSMISSION 1-2 SHIFT SHUDDER AT LIGHT TO MODERATE ACCELERATION. REPLACE COMPLETE SECOND CLUTCH ASSEMBLY. *KB
020730013D2005-02-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 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
31022004-11-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. 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
016092004-05-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). DIAGNOSTIC TROUBLE CODE (DTC) P0650 SET AFTER PCM (POWERTRAIN CONTROL MODULE) REPLACEMENT. *TT
014322003-12-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION POOR ACCELERATION, PERFORMANCE. *TT
00704A2003-11-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE 4T65E AUTOMATIC TRANSMISSION MAY EXHIBIT A CONDITION OF A HARSH GARAGE SHIFT INTO REVERSE OR DRIVE ON A COLD START. *TT
0207490012002-10-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT. SOME CUSTOMERS MAY COMMENT THAT THERE IS A HOLE IN THE SHIFTER BOOT IN VEHICLES WITH FLOOR SHIFTS. *TT
010730032B2002-03-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME OWNERS MAY COMMENT ON A TRANSMISSION OIL LEAK. *TT UPDATED *EH
0406012001-10-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES MAY EXPERIENCE NO FORWARD, DELAYED FORWARD, OR THE TRANSMISSION MAY LOCK UP IN REVERSE INTERMITTENTLY, SOME VEHICLES WILL NOT MOVE WHEN PLACED IN REVERSE INTERMITTENTLY. *SLC
4T65E2001-10-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; UNKNOWN OR OTHER. INFORMATION REGARDING AUTOMATIC TRANSMISSION TORQUE CONVERTER OIL SEAL, A REQUEST FOR INFORMATION. *SLC
4T65E2001-10-29. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING CERTAIN MODELS INCLUDING THE 2001 BUICK RENDEZVOUS AUTOMATIC TRANSMISSION INPUT SUN GEAR THRUST BEARING. *SLC
0107300142001-05-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME ONWERS MAY COMMENT ON ONE OR SEVERAL DELAYED SHIFTS, SLIPS, FLARES OR EXTENDED SHIFTS DURING COLD OPERATION. *TT
2602012001-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES EQUIPPED WITH THE 4T65E TRANSMISSION MAY EXPERIENCE A CONDITION WHERE THE FOURTH CLUTCH IS BURNT UP. *TT
4T65E2001-04-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SUBJECT REGARDING AUTOMATIC TRANSMISSION CODES P0741, P0742 - THIRD REUEST FOR INFO. *JB
0101012001-03-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GM POWERTRAIN IS CURRENTLY SEEKING INFORMATION REGARDING 4T65E TRANSMISSIONS WITH A WHINE NOISE IN PARK AND NEUTRAL. *TT
0101012001-03-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GM POWERTRAIN IS CURRENTLY SEEKING INFORMATION REGARDING CODES P0716 / P0717 ON THE 4T65E TRANSMISSION. *TT

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