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Service bulletin 210199

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 id604100
Published by NHTSA1999-04-13
Manufacturer's number210199
Manufacturer's date1999-02-12
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

SUBJECT REGARDING SHIFT QUALITY IMPROVEMENTS. *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, Transmission control module

Vehicles listed
JEEP CHEROKEE1999

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
08030062007-03-23. Service bulletin. POWERTRAIN CONTROL MODULE INITIALIZATION. *KB
08015052005-04-26. Service bulletin. POWERTRAIN CONTROL MODULE INITIALIZATION. *SC
1812991999-09-17. Service bulletin. THIS BULLETIN EXPLAINS THE OPERATION AND APPLICATION OF THE LEAK DETECTION PUMP (LDP) MONITOR TEST. *TT
2108991999-05-21. Service bulletin. VEHICLES EXHIBITING BUZZ, WHINING, OR MOANING LIKE NOISE FROM COLD TRANSMISSION WHEN REVERSE GEAR IS SELECTED. *TT
2101991999-04-13. Service bulletin. SOME VEHICLES MAY EXPERIENCE A GRINDING, RASPY NOISE HEARD IN THE TRANSFER CASE. *TT
1846981999-02-03. Service bulletin. SOME VEHICLES MAY EXHIBIT AN IDLE UNDERSHOOT OR DRIVEWAY DIE OUT WHEN THE TRANSMISSION IS PLACED FROM PARK OR NEUTRAL INTO DRIVE OR REVERSE. *AK
2109981998-10-26. Service bulletin. A THUMPING OR CREAKING NOISE MAY BE HEARD COMING FROM THE TRANSMISSION TUNNEL AREA ON ACCELERATION OR WHILE DRIVING OVER BUMPY ROADS. *YC