One problem related to hazard flashing warning light unit has been reported for the 2003 Jeep Grand Cherokee. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Jeep Grand Cherokee based on all problems reported for the 2003 Grand Cherokee.
Turn signals not working, but hazard lights work.
| Turn Signal problems | |
| Exterior Lighting problems | |
| Tail Light Switch problems | |
| Turn Signal Switch problems | |
| Back Up Lights problems | |
| Hazard Flashing Warning Light Unit problems |