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 | |
| 09-07-30-004F | 03/01/2012 | SB-0907-30-004-G | 10043845 | Gm: slips in reverse or third, delayed reverse or drive engagement, dtc p0776, p2715, p2723, harsh 2-3 shifts (inspect 1-2-3-/ 3-5-r housing and pump seal rings). this condition may be caused by a cracked 1-2-3-4/ 3-5-r clutch housing. *j | 04/30/2012 |
| 09-07-30-004F | 02/01/2012 | 10043845 | Gm: slips in reverse or third, delayed reverse or drive engagement, dtc p0776, p2715, p2723, harsh 2-3 shifts (inspect 1-2-3-/ 3-5-r housing and pump seal rings). this condition may be caused by a cracked 1-2-3-4/ 3-5-r clutch housing. *j | 04/30/2012 | |
| 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-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 | |
| SB-09038 | 09/01/2009 | 10031424 | Chevrolet/gmc: enhanced calibration for transmission overheat in extreme cold air temperatures. located in certain us cold weather states; alberta, british columbia, manitoba, newfoundland, northwest territories, ontario, quebec, saskatch | 01/05/2010 | |
| 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 | |
| 08-07-30-021 | 05/01/2008 | 10025668 | Loss of high speed gmlan communications, intermittent no crank, ipc gauge fluctuation, intermittent door lock cycling, transmission may not shift, dtcs u0073, u0100, u0101, u0102, u0121, u0140 set (repair backed out terminal in transmission | 08/28/2008 | |
| 08-07-30-023 | 05/01/2008 | 10025670 | 4l60-e/4l65-e/4l70-e automatic transmission fluid leak from oil pump or bell housing area (replace torque converter hub-to-oil pump seal assembly). attn: this bulletin applies to vehicles built prior to december 2007. *pe | 08/28/2008 | |
| 4292 | 12/01/2007 | 10023772 | Dtc p0756, p0796, p2714, p2723, tcc shudder or harsh engagement, harsh shifts, water in transmission - keywords code converter fluid torque. equipped with 6l50, 6l80 or 6l90 (rpo's myb, myc, myd) automatic transmission. *nj | 01/31/2008 | |
| 4052 | 4052A | 10022794 | 2-3 upshift slip or flare. *kb | 09/27/2007 | |
| 4168 | 4168A | 10022429 | Low power, poor performance, or busy shifting. *kb updated 09-26-07. *kb | 08/13/2007 | |
| 3136 | 3136K | 10021019 | Slip condition in 2nd, 3rd, or 4th. damaged 2-4 or 3-4 clutch. *kb updated 10/31/07. *nj | 02/22/2007 | |
| 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 | |
| PIP-4653B | 09/01/2009 | 10032434 | Buick/chevrolet/hummer/gmc/pontiac/cadillac/saturn: technicians may find dtcs p0601, p0603, p0604, p062f or p1621 stored in the tcm as an active or a history code. some of these dtcs can also be set in the ecm or fpcm. make sure that you | 03/24/2010 | |
| SB-09038 | 09/01/2009 | 10031424 | Chevrolet/gmc: enhanced calibration for transmission overheat in extreme cold air temperatures. located in certain us cold weather states; alberta, british columbia, manitoba, newfoundland, northwest territories, ontario, quebec, saskatch | 01/05/2010 | |
| SB-07-06-04-019A | 11/01/2008 | 10028831 | General motors: intermittent mil/ses/ dtc p2138 with reduced engine power (repair instrument panel (ip) to body harness connector). 2005-08 gm passengers cars/light duty trucks (incl. saturns). *pe | 06/01/2009 | |
| 08-07-30-021 | 05/01/2008 | 10025668 | Loss of high speed gmlan communications, intermittent no crank, ipc gauge fluctuation, intermittent door lock cycling, transmission may not shift, dtcs u0073, u0100, u0101, u0102, u0121, u0140 set (repair backed out terminal in transmission | 08/28/2008 | |
| 08-07-30-021 | 04/01/2008 | 10025402 | Loss of high speed gmlan communications, intermittent no crank, ipc gauge fluctuation, intermittent door lock cycling, transmission may not shift, dtcs u0073, u0100, u0101, u0102, 70140 (repair backed out terminal in transmission harness co | 08/06/2008 | |
| PIP3605 | 03/01/2008 | PIP3605A | 10024601 | Dtc u0101, no engine crank and no tech ii communication with tcm. equipped with allison lct1000 (rpo-mw7) automatic transmission. *nj | 04/28/2008 |
| PIP4329 | 02/01/2008 | 10024225 | Current or intermittent dtc p0741 tcc stuck off. equipped with 4l60e, 4l65e or 4l70e (rpo m30, m32, m70) automatic transmission. *nj | 03/27/2008 | |
| 4290 | 12/01/2007 | 10023751 | Engine surge or stall at stop and/or dtc p0742 possible tcc applied. equipped with allison lct1000 transmission rpo m74 or mw7. *nj | 01/30/2008 | |
| 4143 | 12/01/2007 | 4143A | 10023760 | U0106 loss of communication with glow plug control module. equipped with the 6.6l duramax diesel engine rpo code lmm. *nj | 01/30/2008 |
| PIP4219 | 02/01/2008 | PIP4219B | 10022916 | Diagnosis for service fast learn adapts fails, no forward or no reverse. *nj updated 4/1/08. *nj | 10/04/2007 |
| POWER TRAIN - AUTOMATIC TRANSMISSION - COOLING UNIT AND LINES | |||||
| PIP-4424 | 06/01/2008 | 10026664 | Gmc: leak from transmission oil cooler line fitting on vehicles built in april or may, 2008. *pe | 11/25/2008 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION - TORQUE CONVERTER | |||||
| 4302 | 12/01/2007 | 10023771 | Dtc p0751, p0756, p0776, p0796, p2714, p2723, harsh tcc engagement. equipped with 6l80 (rpo myc) automatic transmission. *nj | 01/31/2008 | |
| POWER TRAIN - AXLE ASSEMBLY | |||||
| 09-04-17-002E | 01/01/2011 | 10037552 | Ready | 05/25/2011 | |
| 09-04-21-003D | 01/01/2011 | 10037544 | Ready | 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 | |
| 09-04-21-003D | 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 | |
| POWER TRAIN - AXLE ASSEMBLY - AXLE SHAFT | |||||
| 070417002 | 10/01/2007 | 10023936 | Whine type noise coming from rear of vehicle (diagnose and replace rear propeller shaft). *nj | 02/20/2008 | |
| POWER TRAIN - MANUAL TRANSMISSION | |||||
| 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 | |
| PI-0298 | 11/01/2010 | 10037407 | Ready | 05/23/2011 | |
| PIP4304 | 02/01/2008 | PIP4304A | 10024346 | Dtc p0878, p2714, p2723, transmission slips in 1st, 2nd, 3rd, or 4th gears and/or long garage shifts to drive, equipped with a 6l50 (myb), 6l80 (myc), or 6l90 (myd) transmission. *nj | 04/07/2008 |
| POWER TRAIN - TRANSFER CASE (4-WHEEL DRIVE) | |||||
| PIP4365 | 09/01/2009 | PIP-4365B | 10024522 | Transfer case will not shift possible dtc's c0387 and/or c0569. on vehicles equipped with a magna transfer case rpo nqf. *nj updated 3/15/10. *pe | 04/22/2008 |
| 4303 | 12/01/2007 | 4303A | 10023744 | 4 wheel drive inoperative front axle will not engage - keywords clunk grind growl k2 k3 equipped with a 9.25 front differential. *nj updated 2/27/08. *nj | 01/29/2008 |
Consumer Complaints
| Fail date | miles | occurences | Purchase date |
|---|---|---|---|
| POWER TRAIN | |||
| 12/20/2012 | 68700 | ||
| Transmission lines leaking around crimped part of line.researching this issue online,many gmc/gm vehicles are having this issue. there should be an effort by gm to install better lines. | |||