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Service bulletin 010730038

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id628934
Published by NHTSA2002-03-25
Manufacturer's number010730038
Manufacturer's date2001-12-01
Replaces010730038D
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

SOME CUSTOMERS MAY COMMENT THAT THE 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. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission

Vehicles listed
CADILLAC ESCALADE1999
CHEVROLET ASTRO1999 to 2002
CHEVROLET BLAZER1999, 2000, 2001, 2002
CHEVROLET CAMARO1999, 2000, 2001, 2002
CHEVROLET CORVETTE1999, 2000, 2001, 2002
CHEVROLET EXPRESS1999, 2000, 2001, 2002
CHEVROLET S101999 to 2002
CHEVROLET SILVERADO1999, 2000, 2001, 2002
CHEVROLET SUBURBAN1999, 2000, 2001, 2002
CHEVROLET TAHOE1999, 2000, 2001, 2002
CHEVROLET TRAILBLAZER2002
GMC ENVOY2002
GMC JIMMY1999 to 2002
GMC SAFARI1999, 2000, 2001, 2002
GMC SAVANA1999, 2000, 2001, 2002
GMC SIERRA1999, 2000, 2001, 2002
GMC SONOMA1999, 2000, 2001, 2002
GMC YUKON1999, 2000, 2001, 2002
OLDSMOBILE BRAVADA1999, 2000, 2001, 2002
PONTIAC FIREBIRD1999, 2000, 2001, 2002

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
03V0750002003-03-06. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PIP3366C2018-08-20. Service bulletin. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation.
01-00-89-010J2018-05-21. Service bulletin. This informational bulletin provides a revision for 01-00-89-010I to add the 2013 model year.
PIP53462017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick connect verses inverted flare. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIP3161H2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicle with a clunk type noise on start up with the vehicle in park when the vehicle is equipped Allison LCT1000 transmission. This condition is considered to be an operating characteristic of the Allison LCT1000 transmission.
PIP3161F2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles with a clunk type noise on start up with the vehicle in park when the vehicle is equipped Allison LCT1000 transmission. This condition is considered to be an operating characteristic of the Allison LCT1000 transmission.
PIP3497B2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have no forward or reverse. Technician will need to check for metal debris in torque converter clutch valve.
PIP50672017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on and an engine misfire. Technician should inspect the torque tube coupling for damage.
PIP4379K2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have not engagement into drive, delayed, no engagement into reverse, and or a range inhibit. Technician may find Diagnostic Trouble Codes P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894 or P2723. Technician should follow published Service Information diagnostics for Diagnostic Trouble Code P0701 first. Technician will also ensure the fluid level is at the top of the hot band when the transmission fluid temperature is 175° Fahrenheit. Diagnostic Trouble Codes P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894 or P2723 can set by the following fluid service/filter change, transmission service involving removing the pan, low fluid level caused by leaks, or after long periods of storage. If the fluid level has been properly checked using the HOT check procedure listed in Service Information document 2408059 and any of the Diagnostic Trouble Codes reset during a cold start inspect the internal suction filter for possible cracks. If no other concerns are found inspect for a stuck lube regulator valve in the pump cover due to debris.
PIP3161G2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles with a clunk type noise on start up with the vehicle in park when the vehicle is equipped Allison LCT1000 transmission. This condition is considered to be an operating characteristic of the Allison LCT1000 transmission.
PIP5340A2017-03-21. Service bulletin. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT AFTER A TRANSMISSION OR TORQUE CONVERTER REPLACEMENT THE VEHICLE MAY HAVE A HARSH 1-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ENGINE SOON INDICATOR IS ILLUMINATED. IF YOU HAVE DUPLICATED THE CUSTOMER’S CONCERN AND FOUND DIAGNOSTIC TROUBLE CODE P0894 OR P1870 SET IN THE TRANSMISSION CONTROL MODULE PLEASE CONTACT GENERAL MOTORS TECHNICAL ASSISTANCE CENTER.