Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| POWER TRAIN - AUTOMATIC TRANSMISSION | |||||
| PI0522B | 04/01/2012 | 10044233 | Gm: tick or rattle noise from front of dash, transmission filler tube cracked or broken (inspect filler tube, replace tube as necessary). *js | 05/23/2012 | |
| PIP-3366-B | 11/01/2011 | 10043185 | Cadillac/chevrolet/gmc/hummer: some suvs and trucks are exhibiting a condition where by grinding/ratcheting type noise coming from automatic transmission when shifting into park while in 4wd low (4lo) range. *pe | 02/29/2012 | |
| PI-0310 | 11/01/2010 | 10037409 | Gm: there are transmission problems that include trouble shifting and noises. there may be serpentine belt problems causing it. *rm | 05/23/2011 | |
| PI-0310 | 11/01/2010 | 10037409 | Ready | 05/23/2011 | |
| PIP-4817 | 08/01/2010 | 10036548 | Cadillac/chevrolet/gmc: (hybrid) information on internal transmission wiring harness repairs. diagnostics of any one of or combination of the dtcs listed may lead to a internal transmission wiring harness concern. transmissionwiring har | 03/28/2011 | |
| PI-0209 | 08/01/2010 | 10036304 | Cadillac/chevrolet/gmc: rough transition to auto stop or no auto stop, malfunction indicator lamp (mil) on, dtc p2797 set. some vehicles may have experienced a cut or chaffing to the auxiliary transmission pump harness, which can cause th | 03/14/2011 | |
| PIP-4379D | 09/01/2010 | 10036204 | Chevrolet/gmc: delayed or no drive and or delayed or no reverse with dtc's, range inhibit. model years 2001-2011. *pe | 03/11/2011 | |
| PIP-4647A | 06/01/2009 | 10032869 | Gmc/chevrolet/saab/hummer: bind/tie-up in fourth gear, no second or fourth gears, overrun clutch distress. during disassembly of the transmission technicians may find that the 2-4 band (item 602 in si document 1553208) and the overrun clut | 06/04/2010 | |
| SB-09241A | 10/01/2009 | 10032329 | Chevrolet/cadillac/gmc: transmission clutch housing fracture-reprogram transmission controller. excessive pressure on the transmission clutch could cause a fracture. may result in an improper transmission shift when shifting from third t | 03/05/2010 | |
| PIT-4846A | 05/06/2009 | 10030244 | Cadillac/chevrolet/gmc: locations of high speed gmlan wiring concerns. gauges inoperative, no crank, harsh transmission shifting, no transmission shifting, door locks cycling and indicators on. *pe | 09/02/2009 | |
| PIP-4395 | 08/01/2008 | 10026149 | Gmc: flare and or harsh 2-3 shifts. this condition may be caused by leaking 1-2-3-4 and 3-5-r clutch fluid seal rings (230). models cadillacs, chevrolets, gmc, hummers, pontiacs. equipped with 6l80 (rpo myc) or 6l90 (rpo myd) automati | 10/02/2008 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION - CONTROL MODULE (TCM, PCM) | |||||
| 08-07-30-021G | 03/01/2012 | 10043829 | Gm: loss of high speed gmlan communications, intermittent no crank, ip gage fluctuation, intermittent door look cycling, intermittent chime operation, various ip warning lamps illuminated, transmission may not shift, communication dtcs u007 | 04/27/2012 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION - TORQUE CONVERTER | |||||
| PI-0153B | 02/01/2011 | 10038349 | Ready | 06/15/2011 | |
| PI-0153B | 02/01/2011 | 10038349 | Gm: there is a whine noise when in drive or reverse. there is a bearing problem in the torque converter. *rm | 06/15/2011 | |
| POWER TRAIN - AXLE ASSEMBLY | |||||
| 09-04-21-003D | 01/01/2011 | 10037544 | Gm: when stopping or accelerating there may be a clunk noise and its as if the vehicle is bumped from behind. this can be caused by a slip in the rear propshaft. *rm | 05/25/2011 | |
| 09-04-17-002E | 01/01/2011 | 10037552 | Gm: there may be a bump noise or clunk feel when stopping or launching. this may be caused by a slip in the transmission. *rm | 05/25/2011 | |
| 09-04-17-002E | 01/01/2011 | 10037552 | Ready | 05/25/2011 | |
| 09-04-21-003D | 01/01/2011 | 10037544 | Ready | 05/25/2011 | |
| POWER TRAIN - MANUAL TRANSMISSION | |||||
| PI-0298 | 11/01/2010 | 10037407 | Ready | 05/23/2011 | |
| PI-0298 | 11/01/2010 | 10037407 | Gm: when driving uphill the transmission may not shift out of first or will slip into second gear due to a torn clutch seal. there may be two internal trouble codes stored. *rm | 05/23/2011 | |
| PIT4575 | 02/01/2009 | PIT-4575B | 10024212 | (hybrid) vehicle stalls when shifted out of park. with rpo hp2. *nj updated 12/3/08. *pe updated 8/19/09. *pe | 03/24/2008 |