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Service bulletin 030730021A

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 id10005579
Published by NHTSA2004-03-04
Manufacturer's number030730021A
Manufacturer's date2003-11-01
Replaces030730021
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

NEUTRAL FLARE AND/OR RPM FLARE WHILE IN DRIVE, NO 1-2 UPSHIFT, SERVICE ENGINE SOON (SES) LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODES (DTCS) P1810, DIAGNOSTIC TROUBLE CODE P1815 SET. *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

Trouble codes named

P1810, P1815

Vehicles listed
CHEVROLET CAVALIER1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
CHEVROLET MALIBU1997, 1998, 1999, 2000, 2001, 2002, 2003
OLDSMOBILE ALERO1999, 2000, 2001, 2002, 2003
PONTIAC GRAND AM1998, 1999, 2000, 2001, 2002, 2003
PONTIAC SUNFIRE1995
PONTIAC SUNFIRE1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003

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

Other bulletins for the same vehicles and component
06-00-89-031D2021-09-07. Service bulletin. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
06-00-89-031D2021-04-20. Service bulletin. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
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.
02-07-30-052J2017-08-15. Service bulletin. This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J-45096 TransFlow®.
0707300252008-02-21. Service bulletin. INFORMATION ON 4T40-E (MN4) AND 4T45-E (MN5) FRONT WHEEL DRIVE AUTOMATIC TRANSMISSION VALVE BODY RECONDITIONING, DTC P0741, P0742, P0751, P0752, P0756, P0757, P1811, HARSH SHIFTS, SLIPS, NO DRIVE, NO REVERSE. *NJ
36692006-02-21. Service bulletin. M86/M94 TRANSMISSION INFORMATION TO DISASSEMBLE THIRD FOURTH AND FIFTH GEAR. *AK
32532005-10-24. Service bulletin. VEHICLE WILL NOT MOVE IN EITHER DIRECTION. TRANSMISSION MAY SHOW OVER FULL. P90 4T40E 4T45E NO MOVEMENT DRIVE OR REVERSE. CONVERTER MAY BE EMPTY OF FLUID. *TT
0406040212005-03-08. Service bulletin. POWERTRAIN CONTROL MODULE (PCM) WILL NOT PROPERLY COMMUNICATE CERTAIN ON-BOARD DIAGNOSTIC TEST RESULT INFORMATION WITH NON-TECH2 (GENERIC) SERVICE OR TEST EQUIPMENT. *TT
0307290052005-02-12. Service bulletin. CLUNK NOISE FROM FRONT END DURING LOW SPEED TURNS OR MANEUVERS. THIS SERVICE BULLETIN REPLACES 030729005A. *EH