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Service bulletins for the 2001 Cadillac Deville

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.

426 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
0407300032005-01-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. WHINE/HUM NOISE FROM AUTOMATIC TRANSAXLE BETWEEN 20 MPH - 50 MPH (32 - 80 KM/H) WITH LIGHT THROTTLE APPLICATIONS. *TT
30132004-08-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). C1298 IN EBTCM AND UI040 IN POWERTRAIN CONTROL MODULE (PCM), DURING KEY POWER MODE CHANGES. *MJ
020730039E2004-01-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 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. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION POOR ACCELERATION, PERFORMANCE. *TT
0624022002-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CUSTOMER COMPLAINTS OF EXCESSIVE TRANSMISSION NOISE IN THE PASSENGER COMPARTMENT THAT COMES FROM THE ENGINE COMPARTMENT. *TT
010730009B2002-04-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUBJECT REGARDING NO POWER ON HEAVY ACCELERATION OR 1-2 SHIFT CONCERNS-DELAYS,SLIPS,FLARES, DIAGNOSTIC TROUBLE CODE P0731 AND/OR DIAGNOSTIC TROUBLE CODE P0732 SET. *YD
0107300272002-02-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING REFERENCING DIAGNOSTIC TROUBLE CODE P0748 DIAGNOSTIC PROCEDURE FOR HARSH SHIFT AND/OR HARSH GARAGE SHIFT CONCERNS. *YH
4T80E2001-11-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUBJECT REGARDING POSSIBLE ISSUES WITH THE INTERNAL MODE SWITCH FOR AUTOMATIC TRANSMISSIONS. *JG
0106012001-06-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SUBJECT REGARDING PCM PROGRAMMING ADAPTER FOR 2000 - 2002 4.6L V8 EQUIPPED CADILLAC VEHICLES. *TT
0106012001-06-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUBJECT REGARDING 4T80E AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH AND HARNESS REQUEST FOR INFORMATION. *TT
010730009A2001-06-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES WITH HYDRA-MATIC 4T80-E AUTOMATIC TRANSMISSIONS MAY EXHIBIT AN INTERMITTENT NO POWER AND DIAGNOSTIC TROUBLE CODE P0731, INCORRECT 1ST GEAR RATIO AND / OR DIAGNOSTIC TROUBLE CODE P0732, INCORRECT 2ND GEAR RATIO. *TT
0107300192001-06-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME OWNERS MAY COMMENT ON A HARSH GARAGE SHIFT FROM PARK TO REVERSE DURING THE FIRST SHIFT OF THE DAY. *TT
0107300152001-05-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. SOME VEHICLES MAY EXHIBIT A LEAK AT THE TRANSMISSION COOLER QUICK FITTING INTERFACE TO THE LOWER TRANSMISSION COOLER LINE. *TT
0203012001-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. SUBJECT REGARDING VEHICLES HAVING A SMALL LEAK AT THE QUICK CONNECT FITTING AT THE CASE COVER. THE LEAK IS ACTUALLY NOTICED BETWEEN THE FITTING AND THE COOLER LINE ITSELF. *TT
0101012001-05-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. INFORMATION TO DEALERS REGARDING SMALL LEAKS AT THE QUICK CONNECT FITTING AT THE CASE COVER. *TT
0101012001-05-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. INFORMATION TO SERVICE MANAGERS, DRIVEABILITY AND TRANSMISSION TECHNICIANS REGARDING 4T80E AUTOMATIC TRANSMISSION COOLER LINE LEAKS - UPDATE. *TT
1302012001-04-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING 4T80E AUTOMATIC TRANSMISSION (WHINE NOISE). *JB
1912002001-04-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME CUSTOMERS MAY EXPERIENCE A HARSH GARAGE SHIFT FROM PARK TO REVERSE FIRST THING IN THE MORNING OR PERHAPS THE FIRST SHIFT OF THE DAY AND THIS MAY BE MORE PREVALENT IN COOLER WEATHER. *TT
0101012001-03-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GM POWERTRAIN IS INVESTIGATING A WHINING NOISE IN THE 4T80E TRANSMISSION DUE TO SPALLING / PITTING ON THE DRIVE AND / OR DRIVEN SPROCKET THRUST BEARINGS. *TT
2610002001-03-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CUSTOMER MAY EXPERIENCE A HARSH GARAGE SHIFT FIRST THING IN MORNING OR FIRST SHIFT OF THE DAY. *TT
2610002001-03-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES EQUIPPED WITH 4T80E TRANSMISSION MAY EXPERIENCE A DELAYED ENGAGEMENT INTO REVERSE. *TT

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