Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| POWER TRAIN | |||||
| 040730034 | 08/01/2004 | 10011216 | Service engine soon (ses) light on, diagnostic trouble code (dtc) p0741, torque converter clutch (tcc) excessive slip, transaxle chuggle, slip/surge. *tt | 01/11/2005 | |
| 040102 | 01/04/2002 | 629661 | Concerns with harsh reverse engagement, first shift of the day. *tt | 04/04/2002 | |
| 010701 | 07/01/2001 | 621253 | Information regarding 4t80e transmissions with diagnostic trouble code p0741. *tt | 09/13/2001 | |
| 020501 | 05/02/2001 | 619750 | The subject condition is a erratic shift, harsh shift or slips on vehicles equipped with the 4t80e automatic transmission. *tt | 06/28/2001 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION | |||||
| 040730003 | 01/01/2004 | 10011132 | Whine/hum noise from automatic transaxle between 20 mph - 50 mph (32 - 80 km/h) with light throttle applications. *tt | 01/03/2005 | |
| 020730039E | 08/01/2005 | 020730039F | 10004756 | Firm transmission shifts, shudder/chuggle, transmission won't downshift on deceleration, service engine soon light illuminated, diagnostic trouble code p0742 set. *tt update. *tt | 01/06/2004 |
| 01432 | 01/01/2003 | 10004412 | Automatic transmission poor acceleration, performance. *tt | 12/05/2003 | |
| 010730009B | 02/01/2002 | 010730009A | 629368 | 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 | 04/02/2002 |
| 010730027 | 10/01/2001 | 627733 | Information regarding referencing diagnostic trouble code p0748 diagnostic procedure for harsh shift and/or harsh garage shift concerns. *yh | 02/15/2002 | |
| 4T80E | 01/01/2001 | 625069 | Subject regarding possible issues with the internal mode switch for automatic transmissions. *jg | 11/16/2001 | |
| 010601 | 06/01/2001 | 619763 | Subject regarding 4t80e automatic transmission internal mode switch and harness request for information. *tt | 06/28/2001 | |
| 010730019 | 04/01/2001 | 619712 | Some owners may comment on a harsh garage shift from park to reverse during the first shift of the day. *tt | 06/25/2001 | |
| 010730009A | 05/01/2001 | 010730009 | 619719 | 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. | 06/25/2001 |
| 130201 | 02/13/2001 | 618111 | Information regarding 4t80e automatic transmission (whine noise). *jb | 04/04/2001 | |
| 191200 | 12/19/2000 | 617952 | 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 | 04/02/2001 | |
| 010101 | 01/01/2001 | 617758 | 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 | 03/26/2001 | |
| 261000 | 10/26/2000 | 617470 | Some vehicles equipped with 4t80e transmission may experience a delayed engagement into reverse. *tt | 03/15/2001 | |
| 261000 | 10/26/2000 | 617471 | Customer may experience a harsh garage shift first thing in morning or first shift of the day. *tt | 03/15/2001 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION - CONTROL MODULE (TCM, PCM) | |||||
| 3013 | 01/01/2004 | 10008879 | C1298 in ebtcm and ui040 in powertrain control module (pcm), during key power mode changes. *mj | 08/25/2004 | |
| 010102 | 01/01/2002 | 627406 | Information regarding electronic brake and traction control module replacement. *yh | 02/07/2002 | |
| 010601 | 06/01/2001 | 619764 | Subject regarding pcm programming adapter for 2000 - 2002 4.6l v8 equipped cadillac vehicles. *tt | 06/28/2001 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION - COOLING UNIT AND LINES | |||||
| 010730015 | 04/01/2001 | 619362 | Some vehicles may exhibit a leak at the transmission cooler quick fitting interface to the lower transmission cooler line. *tt | 05/24/2001 | |
| 020301 | 03/02/2001 | 619250 | 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 | 05/21/2001 | |
| 010101 | 01/01/2001 | 619214 | Information to dealers regarding small leaks at the quick connect fitting at the case cover. *tt | 05/18/2001 | |
| 010101 | 01/10/2001 | VSG20010269 | 619213 | Information to service managers, driveability and transmission technicians regarding 4t80e automatic transmission cooler line leaks - update. *tt | 05/18/2001 |
| POWER TRAIN - AXLE ASSEMBLY | |||||
| 010730008 | 02/01/2001 | 619188 | Some onwers may comment on a shift delay into reverse. *tt | 05/17/2001 | |