Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
POWER TRAIN - AUTOMATIC TRANSMISSION
SB-080730049B04/01/201110038984Gm: some vehicles may have transmission fluid leaking from the coolant lines in cold temperatures. *rm06/30/2011
SB-080730049B04/01/201110038984Gm:06/30/2011
PIP-439508/01/200810026149Gmc: 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) automati10/02/2008
411204/01/2009PIP-4112H10023432Sag or hesitation on acceleration (normal operating characteristics). equipped w/ gasoline engine and automatic transmission. *nj updated 1/30/08. *nj updated 10/01/08. *pe updated 8/12/09. *pe12/11/2007
20710022809Fluid leak from the extension housing seal on 4l80e/4l85e transmission. *kb09/28/2007
40524052A100227942-3 upshift slip or flare. *kb09/27/2007
41334133A10022769Transmission slips, will not shift, ses light may be illuminated. *kb09/26/2007
41684168A10022429Low power, poor performance, or busy shifting. *kb updated 09-26-07. *kb08/13/2007
393109/28/20063931A10021018No movement when the shift lever is moved to d4 or d3. normal operation when moved to d2 d1 or reverse. *kb updated. *kb02/22/2007
391010/11/20063910A10020927Allison transmission equipped vehicles setting diagnostic trouble code (dtc) p0877. vehicles equipped with allison lct1000 mw7 transmission. *kb01/30/2007
POWER TRAIN - AUTOMATIC TRANSMISSION - CONTROL MODULE (TCM, PCM)
SB-07-06-04-019A11/01/200810028831General 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). *pe06/01/2009
SB-08-06-03-006A02/01/200910028753General motors: engine running with key off, continuous run; sensing diagnostic module (sdm), no communication, service air bag light illuminated (install diode to solenoid/relay). *pe05/22/2009
PIP360503/01/2008PIP3605A10024601Dtc u0101, no engine crank and no tech ii communication with tcm. equipped with allison lct1000 (rpo-mw7) automatic transmission. *nj04/28/2008
414312/01/20074143A10023760U0106 loss of communication with glow plug control module. equipped with the 6.6l duramax diesel engine rpo code lmm. *nj01/30/2008
0729302/01/200907293C10023656Transmission overheat in extreme cold ambient temperatures - reprogram tcm. located in alaska and minnesota; canadian yukon and northwest territories only. *nj csc was received. updated 3/13/08. *nj updated 4/24/08. *n01/22/2008
PIP421902/01/2008PIP4219B10022916Diagnosis for service fast learn adapts fails, no forward or no reverse. *nj updated 4/1/08. *nj10/04/2007
POWER TRAIN - AXLE ASSEMBLY
0732003/01/200807320A10023654Front axle vent tube kinked - fluid leak. *nj csc was received. updated 4/24/08. *nj01/22/2008
40304030A10021676New design front axle side bearing adjusters. *kb06/15/2007
POWER TRAIN - MANUAL TRANSMISSION
414410022360Allison lct1000 harsh 3-2, 2-1 downshift, and abs may activate. *kb08/03/2007
31363136K10021019Slip condition in 2nd, 3rd, or 4th. damaged 2-4 or 3-4 clutch. *kb updated 10/31/07. *nj02/22/2007
POWER TRAIN - TRANSFER CASE (4-WHEEL DRIVE)
PIP436509/01/2009PIP-4365B10024522Transfer 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. *pe04/22/2008
430312/01/20074303A100237444 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. *nj01/29/2008
05-04-21-00301/01/2008050421003C10017464Service 4wd light illuminated, diagnostic trouble code (dtc) c0374 set. *tt updated 10/05/07. *nj inspect wiring harness to transfer case speed sensors, replace wiring harness. updated 7/18/08 *pe11/08/2005
34243424A10017299Electronic transfer case unable to complete shift. *tt11/02/2005