One problem related to engine exhaust system has been reported for the 2021 Jeep Grand Cherokee. The most recently reported issues are listed below.
My Grand Cherokee high altitude 2021 start jerking during acceleration at 500 miles aprox. Then the problem was more continues and in parking or neutral the car start jerking, vibration engine and exhaust smell wear. Check engine flasing. Code p0304 was registered.
| Engine And Engine Cooling problems | |
| Engine Exhaust System problems |