2020 Dodge Challenger: common problems
Owners of the 2020 Dodge Challenger filed 20 complaints with NHTSA, most often about electrical system and engine. The maker issued 320 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 20
- involving a crash
- 1
- Technical service bulletins (TSB)
- 320

What fails most often
- 1 Electrical system 35% of all complaints
- 2 Engine 20% of all complaints
- 3 Powertrain 15% of all complaints
- 4 Service brakes 15% of all complaints
- 5 Fuel/propulsion system 15% of all complaints
- 6 Vehicle speed control 10% of all complaints
- 7 Air bags 10% of all complaints
- 8 Visibility 5% of all complaints
- Electrical system: 7 complaints (35% of all); manufacturer bulletins for this component: 95.
- Engine: 4 complaints (20% of all); manufacturer bulletins for this component: 14.
- Powertrain: 3 complaints (15% of all); manufacturer bulletins for this component: 49.
- Service brakes: 3 complaints (15% of all); manufacturer bulletins for this component: 9.
- Fuel/propulsion system: 3 complaints (15% of all); manufacturer bulletins for this component: 1.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 3.6 L · petrol · 6 cyl
- 5.7 L · petrol · 8 cyl
- 6.2 L · petrol · turbo · 8 cyl
- 6.4 L · petrol · 8 cyl
- automatic, 8-speed
- manual, 6-speednamed in 2 complaints
Drive: RWD, AWD
Symptoms owners describe
How many of the 20 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 7 | 0 | 95 |
| Engine | 4 | 0 | 14 |
| Powertrain | 3 | 0 | 49 |
| Service brakes | 3 | 0 | 9 |
| Fuel/propulsion system | 3 | 0 | 1 |
| Vehicle speed control | 2 | 0 | 3 |
| Air bags | 2 | 1 | 0 |
| Visibility | 1 | 0 | 21 |
| Steering | 1 | 0 | 9 |
| Wheels | 1 | 0 | 6 |
| Exterior lighting | 1 | 0 | 1 |
| Seat belts | 1 | 0 | 0 |
| Equipment | 0 | 0 | 109 |
| Engine and cooling | 0 | 0 | 25 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The air bag did not deploy, even though I could smell it, as if it did deploy. Also, my car app notified me that the airbag had been deployed and needed to be taken to a service provider to be serviced. The problem is that no airbags actually deployed.
My steering was locked up when I started my car in the cold then on my first turn, it completely locked up and it did this several times and it makes a grinding noise. I am assuming one of the bearings has failed in it, but it failing on me the rack locking up is something different I believe.
I have an urgent and safety issue with my 2020 Dodge Challenger Hellcat. I was driving on road from work. When I was approaching a red light coming to a complete stop. I pressed the clutch to engage the gear into neutral.
In your own words, tell us what happened. Cro I have an urgent and safety issue with my 2020 Dodge Challenger Hellcat. I was driving on road from work. When I was approaching a red light coming to a complete stop. I pressed the clutch to engage the gear into neutral.
Air conditioning system failed. Stopped blowing cool air. Leak developed in system and it was traced to the evaporator core
Cooling fans exploded an went through radiator, making the car inoperable!
Good afternoon, my right headlight wiring harness had rubbed on the frame down to the wires, actually meta l to metal and caused my head light to blow out and my turn signal to malfunction and there is no warning light for the headlight being out, I called the dealership and they said there's no recall and they want a…
Seat belt starting to unlock on its own-Driver Airbag malfunction-Passenger seat Reverse gear malfunction -code. Tsb 21-039-24
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,249 of 2,102 model years in the NHTSA data (among the 41% least complained about).
On average one model year of the Challenger has 44 complaints (8 years in the data). This year has 20, below average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward…
The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE…
- Backup Camera Poor Image Quality Inspection
- Flash
Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs)…
- The vehicle will exhibit a service transmission/check engine warning indicator for the following…
The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may…
- Active Diagnostic Trouble Code (DTC) B1A10-00, B1A11-00, B1A12- 00, B1A13-00-, B1A14-00, B1A15-00,…
Active Diagnostic Trouble Code (DTC) B1A10-00, B1A11-00, B1A12- 00, B1A13-00-, B1A14-00, B1A15-00, B1A16-00, and B1A17-00 in The Radio Frequency Hub (RFH)
- Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC)…
Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning…
- D-25-17 Rev
A ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and/or Rocker Arm Replacements
- ID-25-14 Rev
A ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and/or Rocker Arm Replacements
- Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders
Warranty, Mopar, Customer pay and Service contract. Order"68" part number for New unsold units only
- PAD KIT - REAR DISC BRAKE, FRONT DISC BRAKE
- Intermittent Uconnect Box Requires Service Message
TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
- Engine Oil Leak
NHTSA lists 320 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2020 Dodge Challenger?
Owner complaints to NHTSA most often mention: electrical system, engine, powertrain. Total complaints: 20. The most frequent symptoms in complaint texts: A/C or heater (10%), infotainment or screen glitches (10%), smoke, burning smell, fire (10%).
How many service bulletins (TSB) were issued for the 2020 Dodge Challenger?
NHTSA lists 320 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2020 Dodge Challenger from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2020 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.