The 2024 Wrangler Rubicon 392 packs the 6.4L Hemi V8 into an off-road platform never designed for this much power and heat. Expect stress on drivetrain mounts, cooling systems, and eventually internal engine components if driven hard.
Transmission Mount Failure
Common · medium severity
Typical onset: 15,000-40,000 mi
Symptoms: Clunking on acceleration or deceleration, Excessive drivetrain movement felt through cabin, Vibration at idle in gear
Fix: The factory transmission mount cannot handle the 6.4L's torque, especially with aggressive throttle use or off-road abuse. Replacement takes 2-3 hours and upgraded aftermarket mounts are recommended over OEM.
Estimated cost: $400-800
Transmission Oil Cooler Lines Leaking or Failing
Occasional · high severity
Typical onset: 20,000-60,000 mi
Symptoms: Transmission fluid pooling under vehicle, Burnt transmission fluid smell, Slipping or harsh shifts when hot, Low fluid warning light
Fix: The added heat from the V8 stresses factory cooler lines and fittings. Leaks can dump fluid quickly, leading to catastrophic transmission damage if ignored. Line replacement is 3-4 hours; if the cooler itself fails, add another 2 hours and significantly more parts cost.
Estimated cost: $800-2,200
Fuel System Issues - Filter Clogging and Pump Strain
Occasional · medium severity
Typical onset: 30,000-70,000 mi
Symptoms: Rough idle or hesitation under load, Hard starting after sitting, Loss of power at highway speeds, Check engine light with fuel trim codes
Fix: The 392 engine is thirsty and the fuel system works hard. Contaminated fuel or inadequate filtration leads to clogged filters and struggling pumps. Filter replacement is straightforward (1-2 hours), but if the pump is compromised, expect 4-6 hours including tank drop.
Estimated cost: $300-1,800
Cylinder Deactivation System Failure Leading to Engine Damage
Rare · high severity
Typical onset: 40,000-80,000 mi
Symptoms: Misfires on specific cylinders, Lifter tick or knocking noise, Check engine light with multiple cylinder misfire codes, Metal shavings in oil
Fix: The MDS (Multi-Displacement System) can fail, causing lifter collapse, worn cam lobes, and in worst cases, piston/ring damage. If caught early, lifter and cam replacement runs 12-18 hours. If internal damage has occurred (cracked pistons, scored cylinders), you're looking at short block replacement or full rebuild at 30-50 hours labor.
Estimated cost: $3,500-18,000
Head Gasket Failure from Heat Cycling
Rare · high severity
Typical onset: 60,000-100,000 mi
Symptoms: White smoke from exhaust, Coolant loss with no visible leaks, Overheating under load, Milky oil on dipstick or cap
Fix: The 392 runs hot, especially in stop-and-go or hard off-road use. Head gaskets can fail from repeated heat cycles. Both heads need to come off; plan for 16-22 hours labor, and budget for head machining if warped.
Estimated cost: $4,500-7,500
Crankshaft and Main Bearing Wear from High Output Use
Rare · high severity
Typical onset: 80,000-120,000 mi
Symptoms: Deep knocking noise from lower engine, Oil pressure dropping at idle, Metal particles in oil filter, Severe vibration
Fix: Owners who consistently run WOT, tow heavy, or rock-crawl with the V8 can accelerate bearing wear. Crankshaft R&R with bearing replacement is a full tear-down, 25-35 hours. If the crank is damaged, add machining or replacement costs.
Estimated cost: $8,000-15,000
Owner tips
Change transmission fluid every 30,000 miles if you off-road or tow — the factory 'lifetime' fluid won't survive the heat
Install an aftermarket transmission cooler and upgraded trans mount immediately
Disable MDS (cylinder deactivation) with a tuner if you plan to keep the truck long-term — it's a known weak point
Use high-quality synthetic oil and change every 5,000 miles; oil analysis at 50k+ miles can catch bearing wear early
Avoid sustained low-RPM lugging; the 392 wants to breathe and excessive load at low RPM accelerates wear
Buy it if you want the V8 experience and can budget for aggressive maintenance and inevitable drivetrain repairs — this is a weekend toy, not a high-mileage commuter.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
Unlock any single procedure for $3 — or become the founding sponsor and we generate every common job on this Wrangler Rubicon 392, with your name on each one.
Fitment notes: AGM required for high-performance 392 V8; battery located under hood passenger side
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Every control module on the 2024-2026 Jeep Wrangler Rubicon 392 — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
📍 Integrated into TIPM (Totally Integrated Power Module)
⚠️ Not a separate module on this platform. Fuel pump control integrated into TIPM.
Active Damping Control Module (ADCM)no coding
📍 Not equipped on Rubicon 392
⚠️ Rubicon 392 uses passive Fox shocks, no electronic damping control.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Chrysler (FCA US, LLC) is recalling certain 2021-2025 Jeep Wrangler, Wrangler 4XE, and Jeep Gladiator vehicles. The electric hydraulic power steering pump wiring may overheat and cause a vehicle fire, even when the vehicle is parked with the ignition in the "Off" position.
Consequence: A vehicle fire increases the risk of injury.
Remedy: Owners are advised to park outside and away from structures, until their vehicle is repaired. Dealers will inspect and replace the wiring and electric hydraulic power steering pump, as necessary, free of charge. Owner notification letters are expected to be mailed July 9, 2026. Owners may contact FCA US LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is 21D. The Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov on June 11, 2026.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · 26V327000
2026-05-21
Chrysler (FCA US, LLC) is recalling certain 2019 and 2023 Chrysler Pacifica, 2024 Ram 1500, Ram 2500, and 2024-2025 Jeep Wrangler vehicles. Contamination in the central vision processing module or improper programming may cause the rearview camera image not to display. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
Consequence: A rearview image that does not display reduces the driver's view behind the vehicle, increasing the risk of a crash.
Remedy: Dealers will update the central vision processing module software or replace the module, as necessary, free of charge. Owner notification letters are expected to be mailed beginning July 16, 2026. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 46D. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov on May 28, 2026.
Chrysler (FCA US, LLC) is recalling certain 2020-2025 Jeep Wrangler 4Xe and 2022-2026 Grand Cherokee 4Xe vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
Consequence: A vehicle fire can increase the risk of injury.
Remedy: Owners are advised to park outside and away from structures and not to charge their vehicles until the remedy is completed. Dealers will update the high voltage battery software, and replace the high voltage battery, as necessary, free of charge. Some owner notification letters were mailed beginning December 17, 2025. The remaining owner notification letters will be mailed at a later date. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 68C. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 6, 2025. Vehicles that were previously recalled for the same issue under NHTSA Recalls 24V720 and 23V787 will need to have the new remedy performed.
TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS · 25V527000
2025-08-14
Chrysler (FCA US, LLC) is recalling certain 2024-2025 Jeep Wrangler vehicles. The remote start antenna cable may be pinched, which can cause the tire pressure monitoring system (TPMS) warning light not to illuminate as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 138, "Tire Pressure Monitoring Systems."
Consequence: A TPMS warning light that fails to notify the driver of a problem increases the risk of a crash.
Remedy: Dealers will inspect and replace the remote start antenna cable as necessary, free of charge. Owner notification letters were mailed September 2, 2025. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 56C.
ELECTRICAL SYSTEM:WIRING · 24V871000
2024-11-19
Chrysler (FCA US, LLC) is recalling certain 2024 Jeep Wrangler vehicles. The incorrect dash wiring harness was installed, which can result in inoperative trailer lighting. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence: Trailer lights that fail to illuminate can reduce the vehicle's visibility to other drivers, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the dash wiring harness as necessary, free of charge. Owner notification letters were mailed December 19, 2024. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is B9B.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · 24V676000
2024-09-12
Chrysler (FCA US, LLC) is recalling certain 2018-2024 Jeep Wrangler vehicles. The wiring harness for the rearview camera and the center brake light may short circuit, which can disable the rearview camera image and center brake light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 111, "Rear Visibility" and 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence: A rearview camera image that does not display decreases the driver's visibility, increasing the risk of a crash. Additionally, a center brake light that fails to illuminate can fail to indicate to other drivers that the vehicle is slowing down, increasing the risk of a crash.
Remedy: Dealers replaced the harness for the center brake light and rearview camera and/or the spare tire carrier/harness assembly, as necessary, free of charge. All vehicles were repaired by January 15, 2024. Owner notification letters were mailed September 26, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 77B.
Chrysler (FCA US, LLC) is recalling certain 2020-2024 Jeep Gladiator and 2018-2024 Jeep Wrangler vehicles. The instrument panel cluster may experience an internal short circuit and fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Controls and Displays."
Consequence: An instrument panel that fails to display critical safety information, such as the speedometer or warning lights, can increase the risk of a crash.
Remedy: Dealers will replace the instrument panel cluster, free of charge. Owner notification letters were mailed between October 3, 2024, and January 23, 2025. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is 30B.
EXTERIOR LIGHTING:TAIL LIGHTS · 24V585000
2024-08-08
Chrysler (FCA US, LLC) is recalling certain 2024 Jeep Wrangler vehicles. The vehicles are equipped with incorrect tail lights that may be obstructed by the spare tire. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence: Obstructed tail lights can reduce the vehicle's visibility to other drivers, increasing the risk of a crash.
Remedy: Dealers will replace the tail lights, free of charge. Owner notification letters were mailed August 29, 2024. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is 90B.
EXTERIOR LIGHTING:TAIL LIGHTS · 24V414000
2024-06-06
Chrysler (FCA US, LLC) is recalling certain 2024 Jeep Wrangler vehicles. The power distribution center may prevent the trailer turn signal lights and taillights from operating as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence: Trailer taillights and turn signal lights that do not illuminate as intended can increase the risk of a crash.
Remedy: Dealers will replace the power distribution center, free of charge. Owner notification letters were mailed July 2, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 57B.
AIR BAGS:FRONTAL:DRIVER CLOCKSPRING/SPIRAL CASSETTE · 24V199000
2024-03-14
Chrysler (FCA US, LLC) (Stellantis) is recalling certain 2023-2024 Ram 1500, Jeep Wrangler, Jeep Wagoneer, Jeep Grand Wagoneer, Chrysler Pacifica, Ram 3500, Ram 3500 cab chassis, Ram 2500, Ram 4500 cab chassis, Ram 5500 cab chassis, 2023 Jeep Gladiator, Jeep Grand Cherokee, Jeep Grand Cherokee L, Ram 3500 Cab Chassis with a GVWR less than 10,000 lbs., and Chrysler Voyager vehicles. The steering column control module may not be welded properly, which can prevent the driver's air bag from deploying in a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Consequence: An air bag that does not deploy in a crash can increase the risk of injury.
Remedy: Dealers will inspect and replace the steering column control module, as necessary free of charge. Some owner notification letters were mailed April 11, 2024 through June 20, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's numbers for this recall are 14B, 33B, 34B, 35B, 36B.
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM · 24V111000
2024-02-15
Chrysler (FCA US, LLC) is recalling certain 2021-2024 Jeep Wrangler and 2022-2024 Jeep Grand Cherokee vehicles. A hybrid control processor (HCP) software error may cause the defrosting and defogging system to be inoperative. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 103, "Windshield Defrosting and Defogging Systems."
Consequence: An inoperative windshield defrosting and defogging system may decrease the driver's visibility, increasing the risk of a crash.
Remedy: Dealers will update the HCP software, free of charge. Owner notification letters were mailed February 29, 2024. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is 04B.
Wiper blades
JL generation Wrangler Unlimited. Rear wiper is 12 inches with hook attachment.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2024 Jeep Wrangler Rubicon 392 6.4L V8 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.