Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
POWER TRAIN
04073003408/01/200410011216Service engine soon (ses) light on, diagnostic trouble code (dtc) p0741, torque converter clutch (tcc) excessive slip, transaxle chuggle, slip/surge. *tt01/11/2005
04010201/04/2002629661Concerns with harsh reverse engagement, first shift of the day. *tt04/04/2002
01070107/01/2001621253Information regarding 4t80e transmissions with diagnostic trouble code p0741. *tt09/13/2001
02050105/02/2001619750The subject condition is a erratic shift, harsh shift or slips on vehicles equipped with the 4t80e automatic transmission. *tt06/28/2001
POWER TRAIN - AUTOMATIC TRANSMISSION
04073000301/01/200410011132Whine/hum noise from automatic transaxle between 20 mph - 50 mph (32 - 80 km/h) with light throttle applications. *tt01/03/2005
020730039E08/01/2005020730039F10004756Firm transmission shifts, shudder/chuggle, transmission won't downshift on deceleration, service engine soon light illuminated, diagnostic trouble code p0742 set. *tt update. *tt01/06/2004
0143201/01/200310004412Automatic transmission poor acceleration, performance. *tt12/05/2003
06240206/24/2002636437Customer complaints of excessive transmission noise in the passenger compartment that comes from the engine compartment. *tt11/08/2002
010730009B02/01/2002010730009A629368Subject regarding no power on heavy acceleration or 1-2 shift concerns-delays,slips,flares, diagnostic trouble code p0731 and/or diagnostic trouble code p0732 set. *yd04/02/2002
01073002710/01/2001627733Information regarding referencing diagnostic trouble code p0748 diagnostic procedure for harsh shift and/or harsh garage shift concerns. *yh02/15/2002
4T80E01/01/2001625069Subject regarding possible issues with the internal mode switch for automatic transmissions. *jg11/16/2001
01060106/01/2001619763Subject regarding 4t80e automatic transmission internal mode switch and harness request for information. *tt06/28/2001
01073001904/01/2001619712Some owners may comment on a harsh garage shift from park to reverse during the first shift of the day. *tt06/25/2001
010730009A05/01/2001010730009619719Some vehicles with hydra-matic 4t80-e automatic transmissions may exhibit an intermittent no power and diagnostic trouble code p0731, incorrect 1st gear ratio and / or diagnostic trouble code p0732, incorrect 2nd gear ratio.06/25/2001
13020102/13/2001618111Information regarding 4t80e automatic transmission (whine noise). *jb04/04/2001
19120012/19/2000617952Some customers may experience a harsh garage shift from park to reverse first thing in the morning or perhaps the first shift of the day and this may be more prevalent in cooler weather. *tt04/02/2001
01010101/01/2001617758Gm powertrain is investigating a whining noise in the 4t80e transmission due to spalling / pitting on the drive and / or driven sprocket thrust bearings. *tt03/26/2001
26100010/26/2000617470Some vehicles equipped with 4t80e transmission may experience a delayed engagement into reverse. *tt03/15/2001
26100010/26/2000617471Customer may experience a harsh garage shift first thing in morning or first shift of the day. *tt03/15/2001
POWER TRAIN - AUTOMATIC TRANSMISSION - CONTROL MODULE (TCM, PCM)
301301/01/200410008879C1298 in ebtcm and ui040 in powertrain control module (pcm), during key power mode changes. *mj08/25/2004
01060106/01/2001619764Subject regarding pcm programming adapter for 2000 - 2002 4.6l v8 equipped cadillac vehicles. *tt06/28/2001
POWER TRAIN - AUTOMATIC TRANSMISSION - COOLING UNIT AND LINES
01073001504/01/2001619362Some vehicles may exhibit a leak at the transmission cooler quick fitting interface to the lower transmission cooler line. *tt05/24/2001
02030103/02/2001619250Subject regarding vehicles having a small leak at the quick connect fitting at the case cover. the leak is actually noticed between the fitting and the cooler line itself. *tt05/21/2001
01010101/10/2001VSG20010269619213Information to service managers, driveability and transmission technicians regarding 4t80e automatic transmission cooler line leaks - update. *tt05/18/2001
01010101/01/2001619214Information to dealers regarding small leaks at the quick connect fitting at the case cover. *tt05/18/2001
POWER TRAIN - AXLE ASSEMBLY
01073000802/01/2001619188Some onwers may comment on a shift delay into reverse. *tt05/17/2001

Consumer Complaints


Fail datemilesoccurencesPurchase date
POWER TRAIN - AUTOMATIC TRANSMISSION - LEVER AND LINKAGE - COLUMN SHIFT
01/01/19011
 Shift position indicator on dashboard is too small to see.*mr the consumer feels that it's a major safety concern and it can be very dangerous trying to find the gear you want. please respond promptly in resolving matters. *cb
05/31/2001
 When shifting from park to drive shift lever hides some of dash functions from view. dealer said there was nothing that could be done about it. *ak
POWER TRAIN - AUTOMATIC TRANSMISSION - PARK/NEUTRAL START SWITCH
05/30/2001104/27/2001
 While driving consumer noticed that the dic message center indicated that the transmission should be checked, consumer was informed that a new park/neutral switch was needed, consumer made an appointment for the repairs to be completed but when he arrived to pick up the vehicle he was informed that the parts were on order, consumer then drove the vehicle home parked it in the driveway and moments later consumer was informed by a neighbor that the vehicle had rolled out of the driveway across the road and hit a tree, consumer went to start the vehicle, but would not start in park, consumer then took it out of park and put the vehicle in neutral and started the vehicle, after the necessary repairs were made, consumer proceeded to drive the vehicle when all of a sudden the vehicle jumped into neutral which happened twice, consumer took vehicle back to mechanic, and was advised to drive with the traction on instead of off, while driving consumer noticed that the transmission was not shifting all the way in to drive.*yh