Jeep TSB #0800224
2022 Jeep Grand Cherokee
Affected Component: ELECTRICAL SYSTEM
- Summary
- Flash: Drivetrain Control Module (DTCM) Updates A moaning, grinding, or groaning type noise while driving between 80 - 112 kph (50 - 70 mph). Noise is not heard when the front axle disconnect is disengaged. NOTE: **This noise happens more as the ambient temperatures become less than 5 ? (41 ?).** This bulletin involves reprogramming the DTCM with the latest available software.