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Service bulletins for the 2020 Dodge Challenger

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

321 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
S228A0000282023-04-17. Service bulletin. ELECTRICAL SYSTEM. Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw
S14080003842023-04-17. Service bulletin. ELECTRICAL SYSTEM. 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 Lamp On
08-008-232023-02-13. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION; WHEELS; STEERING. UAS and UCS Radio Enhancements Customers may experience one or more of the following: **Wi-Fi hotspot connection failure. Speaker popping, crackle noise during Voice Recognition (VR) response and navigation guidance. Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working.** Wireless connectivity pairing and/or connection issues. Lost radio presets. Radio channels change by itself. SXMT icon inoperative. SXMT favorite song not displaying/playing. High pitch squeal, pop or hum noise from speakers. Anti-theft code request message. Lines appear across screen. Radio will not switch modes between AM, FM, SAT or Media. Performance control home screen shows ?Norm? mode for engine/transmission even when the vehicle is in ?Drag? mode (LA, LD, LX only). Can not change the time on the clock (LA, LD and LX only). USB hub inoperable (D-Trucks only). Backup camera gridlines missing (D-Trucks only). Device not supported message (D-Trucks only). Remote app inoperative (D-Trucks only). Unable to adjust volume (D-Trucks only). Heated steering wheel inoperable (D-Trucks only). In addition, the following enhancement are included in this update: CarplayT connectivity improvements. Improvement to wireless connectivity phone pairing. Improved sound quality when using a wireless connectivity phone. **This bulletin involves inspecting and if required, updating the radio software level to 40.1. Depending on the radio?s current software level the radio may need a one or two USB update.**
08214222023-01-23. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT; ELECTRICAL SYSTEM. Radio Over The Air Updates to JR34.3/JR34.4 and JR34.41
S22080001382023-01-17. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
S21080001632023-01-17. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
08083212023-01-17. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. Flash: Driver Door Module (DDM) and Passenger Door Module (PDM) Updates This bulletin involves reprogramming the DDM and PDM with the latest available software. This software is for vehicles on the RRT VIN List is to improve the function and reliability of the power windows operation.
08-221-222023-01-17. Service bulletin. ELECTRICAL SYSTEM. Flash: Security Gateway Module (SGW) Updates This bulletin involves reprogramming the SGW with the latest available software to enable High Octane functionality for vehiclesthat have installed the Direct Connection Stage Kits. For customers that have the Direct Connection Redeye Stage I and Stage II kits installed on their vehicle, this flash is requiredto enable functionality of the High Octane Mode.
S20080000982023-01-09. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. Driver Window Short Drop Feature Does Not Drop The Window When The Door Is Open, Window Short Up Feature Does Raise The Window When The Door Is Closed
05001222023-01-09. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM; BACK OVER PREVENTION; POWER TRAIN. Front Click Noise at Low Speed Turns This bulletin involves installing a friction disc kit on both front hub bearing surfaces between the hub and rotor. The customer may comment on the following:When making a sharp turn at low speed (parking lot) maneuvers, a click noise is heard. Most of the time the noise can be heard if the windows are open.
S17080001182023-01-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682023-01-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
08085222022-12-19. Service bulletin. ELECTRICAL SYSTEM. Radio Frequency Hub Module (RFHM) Updates
S228A0000282022-12-12. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Remained On After Ignition Is Switched Off, Dead Battery from Excessive Radio Current Draw
18134222022-10-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience the following: After Race Cool Down Fan does not function.
18134222022-10-31. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience the following: After Race Cool Down Fan does not function.
25003202022-10-17. Service bulletin. FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Evaporative Emission Control System (EVAP) Purge Line Kinked This bulletin involves inspecting and possibly replacing the EVAP purge valve assembly. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following Diagnostic Trouble Codes (DTCs) has been set:P0441 - EVAP Purge System Performance. P0452 - EVAP Pressure Switch Stuck Closed.
S20080001722022-10-17. Service bulletin. ELECTRICAL SYSTEM. Radio Screen Flickering When Using Apple CarPlay Or Android Auto.
S22080001382022-10-17. Service bulletin. ELECTRICAL SYSTEM. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
S20080000892022-10-17. Service bulletin. ELECTRICAL SYSTEM. SGW (Security Gateway Module) Setting DTC B235A-00 ECU In-Plant- Mode
S20180000082022-10-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Engine Surge Feel and/or Diagnostic Trouble Code P0299 ? Turbo Underboost Condition After Updating The Powertrain Control Module (PCM) Software. (ETL, ETM, ETN Engines)
08083212022-10-17. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. Flash: Driver Door Module (DDM) and Passenger Door Module (PDM) Updates This bulletin involves reprogramming the DDM and PDM with the latest available software. This software is for vehicles on the RRT VIN List is to improve the function and reliability of the power windows operation.
18006222022-10-17. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; SERVICE BRAKES. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience the following:The transmission shifts to neutral or the engine stalls, when the brakes are applied very suddenly and aggressively to bring the vehicle to a complete stop.
S20080001132022-09-26. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:IGNITION. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
S21080001632022-09-26. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.