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Service bulletins for the 2014 Jeep Grand Cherokee

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.

634 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Heating and air conditioning are shown. Show all

Bulletins, newest first
24004172022-10-31. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Flash: HVAC System Improvements This bulletin involves reprogramming the Heating Ventilation Air Conditioning (HVAC) Module with new software. Some customers may experience one or more of the following conditions:HVAC is shutting off during a cold engine crank due to low voltage, user will need to manually turn HVAC system back on.. Erratic blower speed operation when using HVAC system in auto mode. Brief burst of hot or cold air after adjusting the HVAC temperature setting. Updating the HVAC software will correct these conditions.
24-002-142022-08-29. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Driver And Passenger HVAC Blower Air Temperatures Are Not The Same When ?Sync? Setting Mode Is Selected And Headlamps Always Stay On. This bulletin involves selectively replacing the solar sensor. Customers may experience the following condition: When using the Automatic Temperature Control ?SYNC? mode, left and right outlet temperatures do not match regardless of the desired temperature setting is the same. Occupants will experience being cold (winter time), on either passenger or driver side, even though the temperature setting is the same. Headlamps are always staying on, when they are set to Auto mode.
24-002-142022-08-22. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Driver And Passenger HVAC Blower Air Temperatures Are Not The Same When ?Sync? Setting Mode Is Selected And Headlamps Always Stay On. This bulletin involves selectively replacing the solar sensor. Customers may experience the following condition: When using the Automatic Temperature Control ?SYNC? mode, left and right outlet temperatures do not match regardless of the desired temperature setting is the same. Occupants will experience being cold (winter time), on either passenger or driver side, even though the temperature setting is the same. Headlamps are always staying on, when they are set to Auto mode.
24-005-152022-07-25. Service bulletin. EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:COMPRESSOR:MODULE (ACCM); ELECTRICAL SYSTEM. Flash: Temperature Control Enhancement This bulletin involves reprogramming the HVAC Module with new software. Customers may experience the following condition: ? Vehicle cabin temperature seems too warm even after reducing the Automatic Temperature Control setpoint. ? Heat mode becomes active when the radio is configured to read in °C and cabin temperature is set to LO. Updating the HVAC software will correct these conditions.
90040362019-07-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. ACTUATOR, A/C and Heater Before replacing HVAC actuator, please contact either Thomas Conway (248) 635-7090 or Paul Aquino (248) 854-4819. Engineering is looking to gather infomation on fail mode and customer concern. If no response in 15 minutes, proceed with repair.
68079487A2019-05-20. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT ADAPTIVE/MOBILITY. Part Description: HVAC evaporator and HVAC filter Issue Description: Odor coming from HVAC system. Please call one of these 3 people on their cell phone before replacing the HVAC filter or the evaporator:~ Pat Presti ? (248) 379-0972~ Ken Deneau ? (248) 576-1870~ Murali Govindarajalu ? (248) 421-2483
24-005-152018-12-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Flash: Temperature Control Enhancement This bulletin involves reprogramming the HVAC Module with new software. Customers may experience the following condition: ? Vehicle cabin temperature seems too warm even after reducing the Automatic Temperature Control setpoint. ? Heat mode becomes active when the radio is configured to read in °C and cabin temperature is set to LO. Updating the HVAC software will correct these conditions.
24-003-14 REV. A2018-06-11. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Flash: Automatic Temperature Control, Cabin Temperature Too High This bulletin involves reprogramming the HVAC Module with new software. Customers may experience the following condition: Vehicle cabin temperature seems too warm even after reducing the Automatic Temperature Control setpoint.Updating the HVAC software will correct these conditions.
24-003-142018-05-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. Flash: Automatic Temperature Control- Cabin Temperature Too High This bulletin involves selectively erasing and reprogramming the HVAC Module with new software. Customers may experience the following condition: ? Vehicle cabin temperature seems too warm even after reducing the Automatic Temperature Control setpoint. Updating the HVAC software will correct these conditions.
24-003-162017-10-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Flash: HVAC System Enhancement This bulletin involves reprogramming the Heating Ventilation Air Conditioning (HVAC) Module with new software. Customers may describe an unpleasant odor in the vehicle after driving from highway speed limits back down to city speed limits. Updating the HVAC software will correct these conditions.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.