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Service bulletin 242499

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 id6089775
Published by NHTSA2000-02-25
Manufacturer's number242499
Manufacturer's date1999-11-12
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

NHTSA's summary

CONCERNS WITH THE HEATER A/C SYSTEM CHANGING TO DEFROST MODE WHEN ACCELERATING. *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

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
JEEP GRAND CHEROKEE1999, 2000

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
24013052005-09-26. Service bulletin. AIR CONDITIONING (A/C) COOLING COIL ODOR. *TT
24001042004-03-05. Service bulletin. NEW HVAC SUB-ASSEMBLY REPLACES BLEND OR RECIRC DOOR COMPONENTS. *TT
23015022002-09-27. Service bulletin. SUBJECT REGARDING OUTSIDE REARVIEW MIRROR GLASS REPLACEMENT. *SLC
23027012001-11-30. Service bulletin. SUBJECT REGARDING OUTSIDE REARVIEW MIRROR GLASS REPLACEMENT. *TT
24007012001-07-11. Service bulletin. A CUSTOMER MAY EXPERIENCE COLER OR WARMER THAN DESIRED AIR TEMPERATURES COMING FROM THE VEHICLE HVAC SYSTEM VENTS. THIS CHANGE IN AIR TEMPERATURE MAY OCCUR GRADUALLY OVER TIME AND ONLY ON VEHICLES EQUIPPED WITH THE AUTOMATIC ZONE CONTROL (AZC) HVAC SYSTEM. THIS BULLETIN INVOLVES THE REPLACEMENT OF THE AUTOMATIC ZONE CONTROL ASSEMBLY. *TT
2310002000-05-09. Service bulletin. A CONDITION MAY EXIST WHERE THE FRONT WIND MAY BE INOPERATIVE, OR STUCK IN THE UP POSITION. *TT
2401002000-04-14. Service bulletin. CUSTOMERS MAY COMPLAIN OF COLD DRIVER'S FEET OR INADEQUATE AIRFLOW TO THE DRIVER'S SIDE FLOOR. *TT
0803002000-04-12. Service bulletin. CONCERNS WITH ERRATIC OPERATION OF THE POWER DOOR LOCKS, REMOTE KEYLESS ENTRY SYSTEM, POWER WINDOWS OR POWER MIRRORS. *TT
2344992000-02-25. Service bulletin. EXPERIENCING A WATER LEAK AT THE REAR OF THE SUNROOF WHEN THE VEHICLES IS IN AN AUTOMATIC CAR WASH. *TT
240699A2000-02-24. Service bulletin. INFORMATION ON CONDENSATION (WATER DROPLETS) FORMING ON THE EXTERIOR OF THE HEATER A/C HOUSING AND DRIP ON THE FLOOR. *TT