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Service bulletin 2100803A

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 id10004543
Published by NHTSA2003-12-19
Manufacturer's number2100803A
Manufacturer's date2003-10-03
Replaces2100803
NHTSA componentPOWER TRAIN

NHTSA's summary

HIGH SPEED GRUMBLE SOUND. *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

Vehicles listed
JEEP GRAND CHEROKEE2002, 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
1012322024-11-07. Service bulletin. Plate - Planetary
90017842022-09-26. Service bulletin. Mechanical rocker arm, intake, 1.7 ratio.
90029012018-05-21. Service bulletin. Part Description: Seal - Shift Shaft on RFE transmissions Issue Description: This seal (04799346) is replaceable with Seal Kit (68235551AA), which includes a seal and retainer. The Seal Kit is applicable to all (5)45RFE transmissions.
08030062007-03-23. Service bulletin. POWERTRAIN CONTROL MODULE INITIALIZATION. *KB
21015052005-10-20. Service bulletin. 45RFE/545RFE TRANS - DELAYED ENGAGEMENT DUE TO COOLER RETURN FILTER REPLACEMENT. *SC
08015052005-04-26. Service bulletin. POWERTRAIN CONTROL MODULE INITIALIZATION. *SC
21008032003-11-11. Service bulletin. HIGH SPEED GRUMBLE SOUND. *TT
2100503A2003-10-24. Service bulletin. DELAYED OR TEMPORARY LOSS OF TRANSMISSION ENGAGEMENT AFTER INITIAL START UP ON VARIOUS MODELS INCLUDING THE 2004 PACIFICA, SEBRING CONVERTIBLE, SEBRING SEDAN, INTREPID AND 2003 SX2.0. *TT
1800503C2003-10-23. Service bulletin. TRANSMISSION SHIFT / SPEED CONTROL IMPROVEMENTS / POSSIBLE MALFUNCTION INDICATOR LAMP ILLUMINATION. *TT
06002032003-10-23. Service bulletin. CLUTCH SLIPPING. 2004 CHEROKEE INCLUDED. *TT