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Service bulletins for the 2021 Chrysler 300

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.

236 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
14003232023-05-30. Service bulletin. ELECTRICAL SYSTEM. Diesel Exhaust Fluid (DEF) Fluid Freezing Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: ? P203E-00 - Reductant Level Sensor 1 Circuit Intermittent-Erratic. This bulletin involves replacing the urea delivery module and grade vent valve and updating the Dosing Control Unit (DCU) software.
08064232023-04-17. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Radio Over The Air Updating to QR40.12 Software Version Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone, when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from QR39.7 to QR40.12. NOTE: National launch for this FOTA update is expected to begin March 10, 2023. DISCUSSION: Vehicles sold in the U.S. and Canada can now receive software updates ?over-the-air?. Updates to software will occur in a phased roll-out. The software is updated through the built-in cellular modem in the radio.
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.**
91000082023-01-17. Service bulletin. ELECTRICAL SYSTEM. Telematic box module 2
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.
S21080001092023-01-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Remote Key Fobs Only Work In Close Range
S22080001972023-01-17. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. Cluster Message ?Service Air Suspension?
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
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
S2208000073RevA2022-12-12. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. No Start After a Flash or Powertrain Control Module (PCM), Body Control Module (BCM) Replacement
S22080001382022-10-17. Service bulletin. ELECTRICAL SYSTEM. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
S21080001092022-10-17. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Remote Key Fobs Only Work In Close Range
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.
S21080001092022-10-17. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Remote Key Fobs Only Work In Close Range
18013222022-10-17. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; EXTERIOR LIGHTING; WHEELS; POWER TRAIN; BACK OVER PREVENTION; STRUCTURE. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): U0101 - Lost Communication With TCM. U0102 - Lost Communication With Transfer Case Control Module / AWD. U0103 - Lost Communication With Electric Gear Shift Module. U0104 - Lost Communication With Cruise Control Module. U0125 - Lost Communication With Dynamics Sensor. U0128 - Lost Communication With Park Brake Control Module. U0129 - Lost Communication With Brake System Control Module 1. U0140 - Lost Communication With Body Control Module. U0141 - Lost Communication With Ipm (BCM). U0155 - Lost Communication With Cluster-CCN. U0159 - Lost Communication With Parking Assist Control Module. U017E - Lost Communication With Seatbelt Sensor 1. U0293 - Lost Communication With Hybrid Control Module. U0402 - Implausible Data Received From TCM. U0403 - Implausible Data Received From Tcase. U0405 - Invalid Data Received Cruise Control Module. U0416 - Implausible Data Received From ESP. U0418 - Implausible Data Received From Brake System Control Module 1. U0429 - Implausible Data Received From SCM. U0432 - Invalid Data Received From Multi-Axis Acceleration Sensor Module. U0594 - Implausible Data Received From HCP. U110A - Lost Communication With SCM-CAN-C. U1110 - Lost Vehicle Speed Message. U1120 - Lost Wheel Distance Message. U1141 - Lost ESP Torque Request Message. U1186 - Lost Communication With Adaptive Cruise Control Module. U11BC - Lost Brake Switch Message. U11C2 - Lost Transmission Message. U11DE - Lost Speed Control Message. U145D - Implausible Data Received From TCM On D-PT. Customers may also experience one or more of the following:Loss of shifting and or fixed third gear operation. Loss of Anti-lock Brake System (ABS), Traction Control System (TCS)
S21080001632022-09-26. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
S1708000246RevB2022-09-26. Service bulletin. ELECTRICAL SYSTEM. Security Gateway (SGW) Module Theory and Operation
S21080000982022-09-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Radio Screen Freeze, Blank Screen And Reset
S17080001182022-09-26. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination After Key Off
S20080001132022-09-26. Service bulletin. ELECTRICAL SYSTEM. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle, Intermittent Key Not Detected Message

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