2003 Jeep Grand Cherokee Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Jeep Grand Cherokee
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2003 Jeep Grand Cherokee ProblemsTemperature Blend/Recirculation Doors May Fail and Cause AC Problems
Temperature blend and recirculation doors commonly fail, which can cause the AC modes not to change or the temperature to be different on the left and right sides. If replacing blend air doors, a recirculation door, a door link, or a sub-assembly housing, new heating, ventilation and AC (HVAC) sub-assemblies are available that improve reliability.
The AC/heater (HVAC) system may unexpectedly switch to the defrost mode when accelerating. This system is operated by engine vacuum and should be inspected for any vacuum leaks if this problem develops. There is also a revised vacuum check valve available to address this concern.
Failure in the blower motor power module (automatic temperature controls) or resistor block (manual AC) may cause the heater blower motor to work only on the high setting. The connector to the power module/resistor block is known to overheat (and sometimes melt). The connector or terminals should be replaced; a replacement connector is available.
2003 Jeep Grand Cherokee QuestionsCost to replace front brake pads, rotors and calipers (1 answer)
Need front brakes
The seat is electrical; the electrical still works, its more like the base broke. The base is broke - the seat sits slanted even after I raise it higher.
2003 Jeep Grand Cherokee RecallsUnexpected Airbag Deployment
The airbag control module can fail prematurely due to electrical noise beyond the tolerance it was designed for. As a result the front airbags, side airbags, and/or seatbelt pretensioners could deploy inadvertently while the vehicle is being operated, increasing the risk of personal injury and/or a crash. Dealers will replace the airbag control module and front and/or side impact sensors as required to correct this concern.
A component in the air bag control module may fail causing the front airbags, side curtain airbags, and/or seatbelt pretensioners to deploy inadvertently while the vehicle is being operated. Inadvertent deployment of the airbags may increase the risk of injury and the possibility of a vehicle crash. Dealers will install a supplemental wire harness to the airbag control module to correct this concern. The Chrysler recall number is M35.
Chrysler is recalling 2001-2004 Jeep Grand Cherokees with heated seats and Chrysler recall no. 06V-197 completed (2003-2004 MY) or seat heater elements service replacement (2001-2002 MY). The front seat electric heater elements may overheat, which could cause a fire or injury. Dealers will replace the front seat heater elements free of charge.