The 2015 Grand Cherokee SRT with its 6.4L Hemi is a performance SUV that demands respect and maintenance. When driven hard or neglected, these trucks develop serious powertrain issues that can devastate your wallet—engine rebuilds and transmission cooler failures are the big-ticket nightmares.
6.4L Hemi Cylinder Head Gasket Failure / MDS Lifter Issues
Occasional · high severity
Typical onset: 80,000-130,000 mi
Symptoms: coolant loss with no visible leak, white smoke from exhaust on cold start, misfires on specific cylinders (often 1, 4, 6, or 7), ticking/tapping noise from valve train, check engine light with P0300-series codes
Fix: Head gasket jobs on these require 18-24 labor hours for both sides due to tight engine bay and accessory removal. MDS lifter failure often discovered during teardown—many techs recommend deleting MDS system and replacing all 16 lifters while heads are off. Includes machine work on heads.
Estimated cost: $4,500-7,500
Transmission Oil Cooler Line Failure / Cooler Leaks
Common · high severity
Typical onset: 60,000-100,000 mi
Symptoms: transmission fluid puddles under vehicle, transmission overheating warnings, burnt transmission fluid smell, harsh shifting or slipping when hot, pink fluid visible near radiator area
Fix: The ZF 8HP transmission cooler lines corrode where they connect to the cooler, and the cooler itself can develop pinhole leaks. Requires 4-6 hours to drop crossmember, access lines, and replace cooler assembly. Often discovered too late after transmission has been run low on fluid—inspect carefully before buying used.
Estimated cost: $800-1,400
Transmission Mount Failure
Common · medium severity
Typical onset: 70,000-110,000 mi
Symptoms: harsh clunk when shifting from Park to Drive/Reverse, excessive vibration at idle in gear, visible sagging or torn rubber on mount, driveline shudder during acceleration
Fix: The SRT's power and weight destroy the transmission mount faster than standard models. Replacement requires 2-3 hours to support transmission and swap mount. Use OEM or upgraded polyurethane—cheap aftermarket rubber fails quickly.
Estimated cost: $350-600
High-Pressure Fuel Pump Failure
Occasional · high severity
Typical onset: 90,000-140,000 mi
Symptoms: long cranking before start, rough idle and hesitation, loss of power under load, P0087 or P0088 fuel pressure codes, engine stalling when hot
Fix: The mechanical high-pressure fuel pump driven off the cam fails due to wear. Located in the valley under the intake manifold—requires 8-10 hours to remove intake, replace pump, and reassemble. Fuel filter is buried in the tank and rarely serviced, contributing to pump death.
Estimated cost: $1,800-2,800
Piston Ring Land Cracking / Ringland Failure
Rare · high severity
Typical onset: 100,000+ mi or with forced induction mods
Symptoms: excessive oil consumption (quart per 500-1000 miles), blue smoke on startup and acceleration, loss of compression on one or more cylinders, rattling noise from bottom end, metallic debris in oil
Fix: Usually seen in SRTs that have been supercharged or driven extremely hard. Requires full engine rebuild with new pistons, rings, bearings, and often crankshaft work. 40-50 hours for complete tear-down, machine work, and reassembly. Some shops recommend short block replacement instead.
Estimated cost: $8,000-14,000
Transfer Case Chain Stretch / Bearing Failure
Occasional · medium severity
Typical onset: 80,000-120,000 mi
Symptoms: grinding or whining noise during acceleration, clunking when engaging 4WD modes, vibration at highway speeds, transfer case fluid leaks from front or rear seals
Fix: The Quadra-Trac transfer case takes abuse from the Hemi's torque. Chain stretch and bearing wear require transfer case rebuild or replacement. 6-8 hours to drop unit, rebuild or replace, and reinstall. Use synthetic fluid during service—many come from factory with inadequate fluid levels.
Estimated cost: $2,200-3,800
Owner tips
Change transmission fluid and filter every 40,000 miles—ZF 8HP does NOT have lifetime fluid despite what the manual says
Inspect transmission cooler lines annually for corrosion starting at 50,000 miles
Use quality synthetic 0W-40 oil and change every 5,000 miles maximum—MDS system is hard on oil
Check transfer case fluid level every oil change—leaks are common and low fluid kills chains
Avoid extended idling in gear—transmission and engine run hot, accelerating wear
If buying used, get a pre-purchase compression test and borescope inspection—engines hide problems until catastrophic failure
Buy one only if you can verify meticulous maintenance history and budget $2,000-3,000 annually for deferred items—these are fast but expensive to maintain, and one missed transmission service can cost you five figures.
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.
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Fitment notes: High-performance 6.4L HEMI requires AGM battery; standard location in engine bay
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Every control module on the 2012-2017 Jeep Grand Cherokee SRT — 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 within transmission valve body (W5A580/NAG1 5-speed or 8HP70 8-speed)
🔧 wiTECH
⚠️ Requires transmission pan removal and fluid service. VIN programming and adaptive learning required. 2012-2013 use 5-speed, 2014+ use 8-speed ZF 8HP70.
Electric Power Steering Module (EPS)2.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Steering column, under dash
🔧 wiTECH
⚠️ Requires steering angle sensor calibration and system initialization. Not present on early 2012 models with hydraulic steering.
📍 Steering column, integrated with ignition switch assembly
🔧 wiTECH
⚠️ Keyless Go system. Requires pairing with PCM, BCM/TIPM, and all key fobs. Security-critical component.
Body Control Module (BCM)1.8 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Integrated into TIPM (Totally Integrated Power Module), engine bay, driver side near battery
🔧 wiTECH
⚠️ TIPM combines BCM, fuse box, and relay control. Requires extensive configuration for all body functions, lighting, and accessory control. Common failure point.
Heating Ventilation Air Conditioning Module (HVAC)1.5 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Behind center stack controls
🔧 wiTECH or Autel
⚠️ Dual-zone automatic climate control. Requires actuator calibration after replacement.
⚠️ Manages CAN bus communication between modules. Critical for security gateway function on 2014+ models. Replacement requires extensive configuration.
Transfer Case Control Module (TCCM)1.5 hr R&Rdealer / factory tool +0.4 hr▸ programming details
📍 On transfer case assembly, center undercarriage
🔧 wiTECH
⚠️ Quadra-Trac or Quadra-Drive II system. Requires configuration and shift motor calibration.
📍 Center stack, integrated with touchscreen display
🔧 wiTECH
⚠️ Uconnect 8.4 system (2014+) or earlier 5.0/6.5 systems. Requires VIN programming and feature configuration. May need security unlock on 2014+ models.
⚠️ Requires VIN programming and mileage transfer from old cluster.
Trailer Tow Module (TTM)0.8 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Rear cargo area, driver side quarter panel
🔧 wiTECH or Autel
⚠️ Integrated trailer brake controller. Requires configuration for trailer parameters.
Backup Camera Module (BCM)0.6 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Integrated with liftgate handle or separate module behind liftgate trim
🔧 wiTECH or Autel
⚠️ ParkView rear camera. May require dynamic gridline calibration.
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 2014-2019 Ram 1500 and 2014-2020 Jeep Grand Cherokee vehicles equipped with 3.0L Diesel engines. The crankshaft position sensor tone wheel may delaminate, causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall.
Consequence: An engine stall can increase the risk of a crash.
Remedy: Dealers will update the powertrain control module software to maintain vehicle propulsion, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed August 3, 2023. Some owner notification letters were mailed October 31, 2023. The remaining owner notification letters will be mailed at a future date, anticipated July 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 66A. This recall is an expansion of recall 20V-475.
Chrysler (FCA US, LLC) is recalling certain 2014-2020 Jeep Grand Cherokee, and 2014-2019 Ram 1500 vehicles equipped with 3.0L diesel engines. A high pressure fuel pump (HPFP) failure may introduce internal debris into the fuel system, potentially resulting in fuel starvation.
Consequence: Fuel starvation may result in an unexpected loss of drive power, increasing the risk of a crash.
Remedy: Dealers will replace the HPFP, and inspect and replace, if necessary, additional fuel system components, free of charge. Interim notification letters informing owners of the safety risk were mailed July 21, 2022. Owner notification letters for were mailed for Jeep Grand Cherokee owners starting January 11, 2024. Owner notification letters for Ram 1500 owners were mailed March 7, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLS's number for this recall is Z46.
Chrysler (FCA US LLC) is recalling certain 2014-2019 Jeep Grand Cherokee vehicles equipped with the 3.0L EcoDiesel
engines. The Exhaust Gas Recirculation (EGR) cooler may crack and allow pre-heated vaporized coolant to enter the EGR system. This mixture may combust inside the intake manifold.
Consequence: Combustion in the intake manifold can increase the risk of a fire.
Remedy: FCA US LLC will notify owners, and dealers will replace the EGR cooler, free of charge. Dealers will also inspect and, as necessary, replace the intake manifold. Parts are not currently available. Owners were mailed an interim notification on December 21, 2021. A second notification will be mailed when parts are available, currently expected to be around March 11, 2021. The recall began March 11, 2021. Owners may contact FCA US LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is W79.
ENGINE AND ENGINE COOLING:ENGINE:DIESEL · 20V475000
2020-08-13
Chrysler (FCA US LLC) is recalling certain 2014-2018 Ram 1500 and 2014-2016 Jeep Grand Cherokee vehicles equipped with 3.0L diesel engines. The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall.
Consequence: An engine stall can increase the risk of a crash.
Remedy: FCA US will notify owners, and dealers will update the powertrain control module software to maintain vehicle propulsion by reading the camshaft position signal in the event that the crankshaft position signal is lost, free of charge. Owner notification letters were mailed on May 13, 2021. Owners may contact FCA US customer service at 1-800-853-2002. FCA US's number for this recall is W58.
ELECTRICAL SYSTEM:WIRING · 18V332000
2018-05-17
Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler 200, 2016-2018 RAM 3500 Cab Chassis (less than 10,000 lb), 2017-2018 Chrysler Pacifica and 2018 Jeep Wrangler vehicles. These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.
Consequence: If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.
Remedy: Chrysler will notify owners, and dealers will inspect the software, and perform a software flash on the engine or powertrain control module, free of charge. The recall began June 4, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Note: Owners are advised to stop using cruise control until the software update has been performed. In the event that cruise control cannot be disengaged while driving, owners should firmly and steadily apply the brakes and shift the transmission to neutral, placing the vehicle in park once it has stopped.
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER · 17E061000
2017-10-19
Accessible Technologies, Inc. (ATI) is recalling certain ProCharger Superchargers, model numbers AB037A-100, AB037A-100P, and A037A-100B, sold for installation on 2012-2017 Jeep Grand Cherokee SRT8 and SRT vehicles. The supercharger mounting bracket may contact and damage the ABS line, possibly resulting in a brake fluid leak.
Consequence: A brake fluid leak may lengthen the distance needed to stop the vehicle, increasing the risk of a crash.
Remedy: ATI will notify owners and will replace the supercharger brackets, free of charge. The recall began on December 12, 2017. Owners may contact ATI customer service at 1-913-338-2886.
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) · 16V240000
2016-04-25 · EA16002
Chrysler (FCA US LLC) is recalling certain model year 2012-2014 Dodge Charger and Chrysler 300 vehicles manufactured February 15, 2011, to November 27, 2014, and 2014-2015 Jeep Grand Cherokee vehicles manufactured July 16, 2012, to December 22, 2015. The affected vehicles, equipped with an eight-speed automatic transmission and a monostable gear selector, may not adequately warn the driver when driver's door is opened and the vehicle is not in PARK, allowing them to exit the vehicle while the vehicle is still in gear.
Consequence: Drivers thinking that their vehicle's transmission is in the PARK position may be struck by the vehicle and injured if they attempt to get out of the vehicle while the engine is running and the parking brake is not engaged.
Remedy: Chrysler will notify owners, and dealers will update the vehicle software to mitigate the risk of vehicle rollaway, free of charge. The recall began on June 24, 2016. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is S27.
Note: On October 19, 2016 Chrysler identified some previously repaired vehicles did not receive the complete software updates. Chrysler will renotify the affected owners, and dealers will update the software again.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER · 16V168000
2016-03-23
Chrysler (FCA US LLC) is recalling certain model year 2015-2016 Jeep Grand Cherokee and Dodge Durango vehicles manufactured December 9, 2015, to January 14, 2016. In the affected vehicles, the left front brake caliper may crack due to being made from an incorrect material.
Consequence: A cracked brake caliper may lengthen the distance needed to stop the vehicle and increase the risk of a crash.
Remedy: Chrysler will notify owners, and dealers will inspect the front left brake caliper and depending on its casting date, replace it, free of charge. The recall is expected to begin on May 12, 2016. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is S16.
SUSPENSION:REAR · 15V469000
2015-07-27
Chrysler (FCA US LLC) is recalling certain model year 2015 Jeep Grand Cherokee and Dodge Durango vehicles manufactured June 12, 2015, to June 20, 2015. The affected vehicles may be equipped with rear lower control arms that may have been incorrectly heat treated. This may cause the rear lower control arm to fracture.
Consequence: If the rear lower control arm fractures it may result in a change in ride height, loss of rear end stability, and reduced braking capabilities, increasing the risk of a crash.
Remedy: Chrysler will notify owners, and dealers will inspect and if necessary replace the lower control arms, free of charge. The recall began July 29, 2015. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is R38. Note: This supersedes Recall No. 15V-407.
EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC. · 15V461000
2015-07-23
Chrysler (FCA US LLC) is recalling certain model year 2013-2015 Ram 1500, 2500, 3500, 4500, and 5500, 2015 Chrysler 200, Chrysler 300, Dodge Charger, and Dodge Challenger, 2014-2015 Jeep Grand Cherokee, Cherokee, and Dodge Durango, and 2013-2015 Dodge Viper vehicles. The affected vehicles are equipped with radios that have software vulnerabilities that can allow third-party access to certain networked vehicle control systems.
Consequence: Exploitation of the software vulnerability may result in unauthorized remote modification and control of certain vehicle systems, increasing the risk of a crash.
Remedy: Chrysler will notify and mail affected owners a USB drive that includes a software update that eliminates the vulnerability, free of charge. Optionally, owners may download the update to their own USB drive from http://www.driveuconnect.com/software-update/ or take their vehicle to a Chrysler dealer for immediate installation. In an effort to mitigate the effects of this security vulnerability, Chrysler has had the wireless service provider close the open cellular connection to the vehicle that provided unauthorized access to the vehicle network. This measure may not have been implemented on all vehicles and does not address access by other means that will be remedied by the software update. The recall began on August 25, 2015. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is R40.
Performance
Horsepower
475hp
Torque
470lb-ft
0–60 mph
4.6sec
Quarter mile
13.1sec
Top speed
160mph
Fuel economy (EPA)
City
13mpg
Highway
19mpg
Combined
15mpg
Fuel
Premium Gasoline
Capability & size
Towing capacity
7,200lb
Payload
1,100lb
Curb weight
5,150lb
EPA class
Standard Sport Utility Vehicle 4WD
Wiper blades
WK2 generation Grand Cherokee SRT. Symmetrical front wiper configuration.
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 2015 Jeep Grand Cherokee SRT 6.4L V8 Hemi and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.