| POWER TRAIN - AUTOMATIC TRANSMISSION |
| 151001 | 10/15/2001 | | 627994 | Information on car and light duty trucks equipped with 4l60e and 4l65e automatic transmissions exhibiting diagnostic trouble code p0756 for 2-3 shift valve performance that is set when the pcm detects a 4-3, 3-4 shift pattern. *tt | 03/01/2002 |
| 011200 | 12/01/2000 | | 616398 | Some light duty trucks equipped with 4l60e automatic transmission may exhibit a transmission shift lever that is difficult to get out of the park position. this condition is most likely to occur when the vehicle is parked on an incline or | 02/25/2001 |
| POWER TRAIN - AUTOMATIC TRANSMISSION - COOLING UNIT AND LINES |
| 121202 | 12/12/2002 | | 10002746 | New transmission oil cooling system flushing tool. 1998 and 2003 chevrolet and gmc medium duty trucks equipped with 4l80e automatic transmissions. *tt | 09/12/2003 |
| POWER TRAIN - AUTOMATIC TRANSMISSION - TORQUE CONVERTER |
| 010730010 | 08/01/2004 | 010730010A | 619190 | The purpose of this bulletin is to help technicians determine when a torque converter should be replaced on all 2001 and prior gm passenger | 05/17/2001 |