DIFFERENTIAL, Rear Axle (KL 4WD w/DK4 = 2-SPEED RDM) The Differential, Rear Axle (aka RDM) design, pump design, Driveline Control Module (aka DLCM) hardware & software and pressure sensor have all changed in the past few years. The chages are not interchangeable and each had a separate implementation date. Please comprehend it to avoid repeat repairs. There are 2 sections each with 3 sub-sections: 1) For 2014/5 VINs with DK2 = 1-spd RDM 2) For 2016 and later VINs with DK2 = 1-spd RDM 1) For 2014/5 VINs with DK4 = 2-spd RDM 2014 - 2015 VINs built with a 2-speed RDM used a 24 plate clutch design. Service RDMs (DK4: 68545100AA and DK4 + AWL: 68545101AA) have a 20-plate design. 1.1) If replacing
full bulletin at NHTSA ↗2015 Jeep Cherokee fuel system problems
severe 4 complaints filed with NHTSA · avg repair $1,200 · see fuel system across all vehicles →
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering fuel system on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
DIFFERENTIAL, Rear Axle (KL 4WD w/DK2 = 1-SPEED RDM) The Differential, Rear Axle (aka RDM) design, pump design, Driveline Control Module (aka DLCM) hardware & software and pressure sensor have all changed in the past few years. The changes are not interchangeable and each had a separate implementation date. Please comprehend it to avoid repeat repairs. There are 2 sections each with 3 sub-sections: 1) For 2014/5 VINs with DK2 = 1-spd RDM 2) For 2016 and later VINs with DK2 = 1-spd RDM 1) For 2014/5 VINs with DK2 = 1-spd RDM 2014 - 2015 VINs were built with a 1-speed RDM used a 24 plate clutch design. New service RDMs 68550586A$ use a 20-plate design. 1.1) If replacing the RDM · 24 plate and
full bulletin at NHTSA ↗COOLER, Transmission Oil Work procedure to address fluid leak issue with the transmission oil cooler on the MP (Part # 68249191A$), KL (Part # 68399021A$) and RU (Part # 68217322A$) needs to be followed. Service Instructions for the Condition of a TOC fluid leak: 1) Mark the leakage area if visible to assist in diagnosis and determination of the area where the leak has occurred. 2) If fluid leak was caused by damage or leakage at the transmission oil cooler: - Replace transmission oil cooler - Test drive and verify no additional fluid leaks 3) If fluid leak was caused by leak at quick connect fittings: - Replace transmission oil cooler lines - Test drive and verify no additional fluid leaks
full bulletin at NHTSA ↗Possible Driveability Issues due to the Winter-Blend Fuel into the Warmer Season
full bulletin at NHTSA ↗wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 0 most recent
Common questions
How serious is the fuel system problem on the 2015 Jeep Cherokee?
It's a meaningful issue. 4 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,200.
At what mileage does the fuel system typically fail?
Based on the 4 complaints filed, fuel system issues most often appear around 74,333 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $1,200 for fuel system repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to fuel system?
No active recalls currently cover fuel system issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.