The 2023 Challenger represents the final year of the long-running LC platform. While generally solid, the high-performance variants (392, Hellcat) experience predictable stress-related failures, and all models share some platform-level quirks inherited from a 15-year-old design.
Hellcat/392 Engine Bearing and Piston Failures
Occasional · high severity
Typical onset: 30,000-70,000 mi
Symptoms: metallic knocking on cold start that quiets when warm, oil pressure fluctuations, rod knock under load, metal shavings in oil
Fix: Supercharged and high-output engines experience premature bearing wear, often rod bearings first. If caught early (oil analysis), you might get away with bearing replacement (12-16 hours). Once knock is audible, you're looking at short block replacement or full rebuild (25-35 hours). This is a known weakness on hard-driven or track-used examples.
Estimated cost: $8,000-18,000
ZF 8-Speed Transmission Oil Cooler Leaks
Common · medium severity
Typical onset: 40,000-80,000 mi
Symptoms: transmission fluid spots under vehicle, burnt fluid smell, slipping between gears when hot, low fluid warning on dash
Fix: The external cooler lines corrode or the cooler itself cracks at the inlet. Replacement involves dropping the trans pan, flushing system, new cooler and lines (6-8 hours). If ignored, leads to transmission overheating and internal damage. Check lines annually in rust-belt states.
Estimated cost: $1,200-2,200
Fuel Filter Clogging (All Engines)
Occasional · medium severity
Typical onset: 50,000-90,000 mi
Symptoms: hard starting after sitting, loss of power under acceleration, sputtering at highway speeds, check engine light with lean codes
Fix: The in-tank fuel filter clogs prematurely, especially with ethanol fuel. Requires dropping the tank to access (3-4 hours). Dodge doesn't list it as a maintenance item, but real-world experience says it needs doing. Use top-tier fuel to extend life.
Estimated cost: $400-700
5.7L Hemi Lifter and Cam Failures
Occasional · high severity
Typical onset: 60,000-120,000 mi
Symptoms: ticking/tapping from valve covers, check engine light for multiple misfires, loss of power on specific cylinders, metal debris in oil
Fix: The MDS (cylinder deactivation) lifters fail, sometimes wiping cam lobes. Requires heads-off repair with new lifters, possibly camshaft, and valve train components (18-24 hours). Switching to 0W-40 full synthetic and disabling MDS with tuner helps but doesn't eliminate risk.
Estimated cost: $3,500-6,000
Transmission Mount Failure
Common · low severity
Typical onset: 40,000-70,000 mi
Symptoms: clunk when shifting from park to drive, vibration at idle in gear, excessive driveline movement during acceleration, visible tearing in rubber mount
Fix: The rear transmission mount tears from torque, especially on V8 models with spirited driving. Simple replacement on lift (1.5-2 hours). Use upgraded polyurethane mounts on high-output engines.
Estimated cost: $250-450
Parking Brake Self-Adjustment Failure
Occasional · low severity
Symptoms: parking brake doesn't hold on inclines, brake warning light, rear brake drag, parking brake requires excessive pedal travel
Fix: Electronic parking brake actuator or self-adjusting mechanism fails, covered by recall but still shows up. Dealer diagnosis required with scan tool (1-2 hours labor if out of warranty). Mechanism replacement or software update depending on root cause.
Estimated cost: $300-800
Hellcat Supercharger Belt Wear/Tensioner Failure
Occasional · high severity
Typical onset: 30,000-60,000 mi
Symptoms: squealing on cold start, loss of boost pressure, check engine light, shredded belt remnants under hood
Fix: The supercharger belt or tensioner fails catastrophically, leaving you NA V8 power. Belt shreds can damage sensors and hoses. Preventive replacement every 30k miles recommended (2-3 hours). Always carry a spare belt if tracking the car.
Estimated cost: $400-900
Owner tips
High-output engines: synthetic oil changes every 3,000-4,000 miles, oil analysis every other change to catch bearing wear early
Disable MDS on 5.7L Hemi with tuner or use 0W-40 oil to reduce lifter failures
Inspect transmission cooler lines annually in salt states, flush trans fluid every 50k miles
Hellcat/392 owners should budget for consumables (belts, plugs, diff fluid) at half the factory intervals if driven hard
The 2023 is the safest year to buy used since most kinks are known—budget extra for V8 maintenance, avoid Hellcats with unknown service history, and the platform delivers reliable muscle-car thrills.
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.
Fitment notes: AGM battery required; located in trunk on passenger side; high-performance application requires higher CCA
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Every control module on the 2021-2023 Dodge Challenger — 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.
📍 Behind left headlight assembly in engine compartment
🔧 Autel MaxiSys or wiTECH
⚠️ Controls adaptive headlight leveling and beam pattern
Rear View Camera Module (RVCM)0.5 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Integrated with rear camera assembly in trunk lid
🔧 Autel MaxiSys or wiTECH
⚠️ Standard equipment; camera calibration may be required
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 2023 Dodge Challenger vehicles. The left rear seat back may not lock in the upright position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 207, "Seating Systems."
Consequence: A seat back that is not locked into position can increase the risk of injury in a crash.
Remedy: Dealers will inspect and adjust the seat back latch striker as necessary, free of charge. Owner notification letters were mailed August 15, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is 38B.
PARKING BRAKE · 24V112000
2024-02-15
Chrysler (FCA US, LLC) is recalling certain 2023 Chrysler 300, Dodge Charger, and Dodge Challenger vehicles. The parking brake may be improperly adjusted, which can result in a vehicle roll away. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 135, "Light Vehicle Brake Systems."
Consequence: A vehicle roll away increases the risk of a crash or injury.
Remedy: Dealers will properly adjust the parking brake, 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 01B.
Performance
Horsepower
485hp
Torque
475lb-ft
0–60 mph
4.3sec
Quarter mile
12.6sec
Top speed
182mph
Fuel economy (EPA)
City
15mpg
Highway
24mpg
Combined
18mpg
Fuel
Premium Gasoline
Capability & size
Curb weight
4,240lb
EPA class
Midsize Cars
Wiper blades
Coupe body style, no rear wiper. Both blades same length on this generation. Final year of production.
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 2023 Dodge Challenger 6.4L V8 Hemi 392 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.