Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
POWER TRAIN
3260100171454l80e/4l85e harsh shift or slip no tcc apply. *tt10/25/2005
335210014857Service 4wd light on with either a variety of diagnostic trouble codes or no communication with the transfer case control module. *tt05/10/2005
3276100134964l80e output carrier thrust washer changes. *tt04/20/2005
303301/01/20043033A10010278Chug, ticking/scraping noise at 30-50 mph on acceleration/deceleration. *tt11/09/2004
3045A01/01/20043045B100101704485 4484 shudder or bind on turns in 4 hi. *sc11/04/2004
305401/01/200410009665Replacement flexplate may have larger bolt holes than the original flexplate. *tt10/14/2004
30023002D100088024l60e/4l65e intermittent neutral condition while accelerating from a stop or while driving. *tt 1999-2006 gm cars, light duty trucks and utilities. *tt08/23/2004
0208601/01/2004100077824l60e, 4l65e intermittent neutral from a stop or steady speed. *tt07/12/2004
0159901/01/2004100072374l60e, 4l65e forward and low reverse waved steel clutch plate appearance change. *tt06/04/2004
0171401/01/200410006412The 4l60e/4l65e automatic transmission may experience a leak, inoperative/slipping in 2nd, 3rd and 4th gears or no movement (no forward or reverse) due to excess fluid loss. sit bulletin 1455088. *tt05/03/2004
990730022A06/01/200399073002210002886Shift stabilization and tow/haul mode feature for hydra-matic 4l60-e/4l65-e and 4l80-e/4l85-e transmissions. *tt09/30/2003
POWER TRAIN - AUTOMATIC TRANSMISSION
05073001702/01/2006050730017B100174624l60-e/4l65-e automatic transmission/torque converter clutch (tcc) shudder, water in transmission. *tt11/08/2005
05073001305/01/2005100173544l60-e/4l65-e automatic transmission second gear start, lack/loss of power when accelerating from a stop. *tt11/03/2005
3438A10017100Tcc surge and/or fluid contamination. *tt10/24/2005
31703170C10010577Harsh 1-2 shift. *eh12/01/2004
0165401/01/200401654A10007233Squawk or grunt noise that occurs on the 2-3 upshift on vehicles with 4l60e - m30, 4l60e m32 transmission. *tt06/04/2004
03073005611/01/2003100055664l60-e automatic transmission oil pump first and second design identification. *tt03/04/2004
3259C3259E100055144l80e, 4l85e whine noise in first and second gear. *tt03/01/2004
0070201/01/200400702B10005476Slip condition in 2nd, 3rd or 4th damaged 2-4 band 3-4 clutch on the 4l60e/4l65e automatic transmission. *tt *mj03/01/2004
010730038B10/01/2005010730038C10005162The service engine soon lamp is illuminated, no 3rd and 4th gear, the transmission does not shift correctly, the transmission feels like it shifts to neutral or a loss of drive occurs. *tt02/09/2004
POWER TRAIN - AUTOMATIC TRANSMISSION - CONTROL MODULE (TCM, PCM)
0148301/01/200410005496Vehicle has no pcm (power train control module) communication with tech 2. sit bulletin 1400427. *tt03/01/2004
POWER TRAIN - AUTOMATIC TRANSMISSION - COOLING UNIT AND LINES
PIT-472210/01/200810026804Gmc: fluid leak from transmission oil cooler lines due to corrosion. all 2000-2006 light duty trucks equipped with the light duty automatic transmission. *pe12/18/2008
POWER TRAIN - AUTOMATIC TRANSMISSION - LEVER AND LINKAGE - COLUMN SHIFT
020730024A08/01/2005020730024B634999Diagnosis of cracked or broken transmission case. *tt 2006 and prior cars and light duty trucks. *tt10/11/2002
POWER TRAIN - AXLE ASSEMBLY
40304030A10021676New design front axle side bearing adjusters. *kb06/15/2007
336410014953Rear axle retainer button breakage. *eh05/12/2005
30013001A10008872The service information and owners manual do not show a service interval for the 8.6, 9.5, 9.75, 10.5, and 11.5 inch rear axles with or without g80 (locking differential). *tt 2006 all general motors light duty trucks, vans and utilitie08/25/2004
030419001A09/01/2004030419001B10004717Use of synthetic front axle lubricant for 4wd vehicles sold in cold weather climates. *tt this bulletin replaced previous bulletin dated 10/01/2003. *tt01/02/2004
POWER TRAIN - DRIVELINE
33003300A100135724wd models with noise, vibration on dry pavement. *eh04/21/2005
POWER TRAIN - DRIVELINE - DRIVESHAFT
04049500103/01/200410008653Revised wheel drive shaft nut torque specification. *tt08/12/2004
POWER TRAIN - MANUAL TRANSMISSION
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)
3665100189264wd inoperative and possible dtc c0327 stored in the transfer case control module. *tt01/24/2006
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
352610016558Intermittent service 4wd light comes on with diagnostic trouble code (dtc) c0306 or c0308 stored in tccm. *tt09/22/2005
335110014853Intermittent malfunction indicator lamp (mil) with diagnostic trouble code (dtc) c0374 or erratic 4wd/awd operation. *tt05/10/2005
020421006C03/01/2004020421006D10004357Inoperative 4wd/awd lamps, inoperative 4wd/awd system. *tt12/04/2003
01267B11/18/200310004200Service 4wd light on no codes besides u1000 codes. service vme. *tt11/21/2003
01267A11/18/200310004104Service 4wd light on, the 4wd is inoperative and no codes besides u1000 codes. service vme. *tt11/18/2003

Consumer Complaints


Fail datemilesoccurencesPurchase date
POWER TRAIN
10/20/2007
 Tl*the contact owns a 2004 gmc yukon. the contact stated that the four wheel drive indicator illuminated. there was a service bulletin for the failure, which has been occurring since the vehicle was purchased. while driving 45 mph, the vehicle dropped to low four wheel drive and it felt like the engine was about to drop. the contact heard a lot of noises. the vehicle was taken to the dealer and repaired at the contact's expense. the failure mileage was unknown and the current mileage was 53,000.
POWER TRAIN - DRIVELINE
04/07/2004400010
 There was malfunction in the power train driveline, which resulted*jb in the truck shifting from 2wd to 4wd by itself. the dealership has serviced the truck 3 times and replaced the 4wd switch and the transfer case. the problem still exist. *jb