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Service bulletins for the 2015 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.

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

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By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
21-012-14 REV. B2018-06-11. Service bulletin. POWER TRAIN. 8 Speed Transmission Shift Adaptation, Drive Learn Procedure This bulletin involves performing a Transmission Adaptation Learn procedure based on a subjective shift quality rating evaluation.The adaptation drive learn procedure must be performed on all 8-speed transmissions when the transmission is repaired/replaced and/or the Valve Body/TCU assembly (mechatronic) is replaced, or when the adaptation memory cells are cleared with the wiTECH diagnostic scan tool. Customers may indicate that their transmission shift quality does not meet their expectations.
05154726A$2018-02-21. Service bulletin. POWER TRAIN; STEERING. Electric Power Steering Gear For LA, LD and LX Models ONLY; Before this part is replaced for: A) Electrical, Communication or DTC issue please contact: Terry Gavit @ cell (248) 882-6108 terry.gavit@fcagroup.com Engineering is requesting a copy of VSR to be emailed to the above address. B) Noise or Mechanical issue please contact: Barbara Strace @ cell (586) 246-4211. If you do not receive a return call within 15 minutes, proceed with the repair. Please be sure to attach a copy of the Vehicle Scan Report on the repair order.
21-041-172017-11-03. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Codes (DTCs) have been set. This software update will also address some symptom/conditions listed below:3.6L Engine (Sales Code ERB) with 845RE Transmission (Sales Code DFL):During a Flash Over The Air (FOTA) radio update, the transmission shift points will default to higher shift points. The transmission will shift at high engine Revolutions Per Minute (RPM) and 7th and 8th gears may be blocked (LA and LD). Improved shift quality. P1DCD - TCM Monitoring Processor Performance Multiple Clutches Locked Up. P1B13 - Park-By-Wire Unintended Out Of Park Position. P0734 - Gear 4 Shift Incorrect Ratio. 3.6L Engine (Sales Code ERB) with 8HP45 Transmission (Sales Code DFG):During a FOTA radio update, the transmission shift points will default to higher shift points. The transmission will shift at high engine RPM and 7th and 8th gears may be blocked (LA and LD). Improved shift quality. Harsh 2-1 Downshift Or Bump At Low Speeds. P0734 - Gear 4 Shift Incorrect Ratio. 3.0L Engine (Sales Code EHD) with 845RE Transmission (Sales Code DFL):Improved shift quality. P1DCD - TCM Monitoring Processor Performance Multiple Clutches Locked Up. P1B13 - Park-By-Wire Unintended Out Of Park Position.
18-084-162017-11-03. Service bulletin. POWER TRAIN; STRUCTURE; ELECTRICAL SYSTEM. Flash: 5.7L Diagnostic And System Improvements This bulletin involves reprogramming of the Powertrain Control Module (PCM) with the latest software. A small number of 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): · **P0456 - Evap System Small Leak. · P2610 - PCM Internal Engine Off Timer Performance. · P2299 - Brake Pedal Position / Accelerator Pedal Position Incompatible. · P0335 - Crankshaft Position Sensor Circuit. (2014-2015 MY).** · U0140 - Lost Communication With Body Control Module. (LC, LD and LX). · P1621 - O2 Sensor Reference Voltage Circuit Low. · P1622 - O2 Sensor Reference Voltage Circuit High. · P0606 - Internal Control Processor. · P0300 - Multiple Cylinder Misfire. · P219A - Bank 1 Air-Fuel Ratio Imbalance. · P219B - Bank 2 Air-Fuel Ratio Imbalance. · P0307 - Cylinder 7 Misfire. · P2096 - Downstream Fuel Trim System 1 Lean. · P2097 - Downstream Fuel Trim System 1 Rich.
18-045-16 REV. A2016-11-07. Service bulletin. POWER TRAIN. "FLASH: DIAGNOSTIC AND SYSTEM IMPROVEMENTS THIS BULLETIN INVOLVES REPROGRAMMING OF THE POWERTRAIN CONTROL MODULE (PCM) WITH THE LATEST AVAILABLE SOFTWARE. CUSTOMERS MAY EXPERIENCE ONE OR MORE OF THE FOLLOWING SYMPTOMS AND/OR A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. UPON FURTHER INVESTIGATION THE TECHNICIAN MAY FIND ONE OR MORE OF THE FOLLOWING DTCS: · **P2299 - BRAKE PEDAL POSITION/ACCELERATOR PEDAL POSITION INCOMPATIBLE. · P0456 - EVAP SYSTEM SMALL LEAK. · P2610 - PCM INTERNAL ENGINE OFF TIMER PERFORMANCE. · P2172 - HIGH AIRFLOW/VACUUM LEAK DETECTED (INSTANTANEOUS ACCUMULATION). · P0123 - THROTTLE POSITION SENSOR 1 CIRCUIT HIGH. · P0223 - THROTTLE POSITION SENSOR 2 CIRCUIT HIGH. · P0122 - THROTTLE POSITION SENSOR 1 CIRCUIT LOW. · P0222 - THROTTLE POSITION SENSOR 2 CIRCUIT LOW. · P0335 - CRANKSHAFT POSITION SENSOR CIRCUIT. · P0339 - CRANKSHAFT POSITION SENSOR INTERMITTENT.** · P1217 - ACTIVE EXHAUST VALVE 1 PERFORMANCE. · P121B - ACTIVE EXHAUST VALVE 2 PERFORMANCE. **THE FOLLOWING SOFTWARE ENHANCEMENT IS ALSO AVAILABLE: · CHANGE TO PURGE VAPOR CONTROL CALIBRATION.** IN ADDITION, CUSTOMERS MAY ALSO COMMENT ON THE FOLLOWING: · UNABLE TO ACCURATELY INCREASE OR DECREASE THE CRUISE CONTROL SET SPEED USING THE RESUME OR SET BUTTONS WHILE THE INSTRUMENT CLUSTER IS SET ON METRIC UNITS. INSTEAD OF CHANGING VEHICLE SPEED BY 1 KPH WHEN PRESSING THE BUTTONS, THE VEHICLE SPEED WILL INCREASE APPROXIMATELY 1.6 KPH. · SLIGHT SPARK KNOCK CONDITION DURING AGGRESSIVE HIGH SPEED DRIVING WHICH MAY PREVENT THE VEHICLE FROM ACHIEVING MAXIMUM TOP SPEED."
03-004-162016-10-14. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. "INSPECT AND REPLACE PROPELLER SHAFT THIS BULLETIN INVOLVES INSPECTING AND REPLACING THE PROPELLER SHAFT DUE TO A WHINING NOISE AT HIGH SPEEDS. SYMPTOM/CONDITION: THE CUSTOMER OR TECHNICIAN MAY HEAR A WHINING NOISE COMING FROM THE REAR AXLE AREA."
21-019-162016-09-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. "FLASH: TRANSMISSION SHIFT AND DRIVABILITY ENHANCEMENTS THIS BULLETIN INVOLVES REPROGRAMMING OF THE TRANSMISSION CONTROL MODULE (TCM) WITH THE LATEST AVAILABLE SOFTWARE. A SMALL NUMBER OF CUSTOMERS MAY EXPERIENCE AN ERRONEOUS MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. UPON FURTHER INVESTIGATION, THE TECHNICIAN MAY FIND A DIAGNOSTIC TROUBLE CODE (DTC) STORED IN THE TCM MEMORY. 3.6L ENGINE (SALES CODE ERB) WITH 845RE TRANSMISSION (SALES CODE DFL): · **IMPROVED SHIFT QUALITY.** · P1DCD - TCM MONITORING PROCESSOR PERFORMANCE MULTIPLE CLUTCHES LOCKED UP. · P1B13 - PARK-BY-WIRE UNINTENDED OUT OF PARK POSITION. · P0734 - GEAR 4 SHIFT INCORRECT RATIO. 3.6L ENGINE (SALES CODE ERB) WITH 8HP45 TRANSMISSION (SALES CODE DFG): · **IMPROVED SHIFT QUALITY.** · HARSH 2-1 DOWNSHIFT OR BUMP AT LOW SPEEDS. · P0734 - GEAR 4 SHIFT INCORRECT RATIO. 3.0L ENGINE (SALES CODE EHD) WITH 845RE TRANSMISSION (SALES CODE DFL): · **IMPROVED SHIFT QUALITY.** · P1DCD - TCM MONITORING PROCESSOR PERFORMANCE MULTIPLE CLUTCHES LOCKED UP. · P1B13 - PARK-BY-WIRE UNINTENDED OUT OF PARK POSITION."
18-070-162016-09-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. "FLASH: DIAGNOSTIC AND SYSTEM IMPROVEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH UPDATED SOFTWARE. CUSTOMERS MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. UPON FURTHER INVESTIGATION THE TECHNICIAN MAY FIND THE FOLLOWING (DTCS) SET IN THE PCM MEMORY: · **P0456 - EVAP SYSTEM SMALL LEAK. · P0335 - CRANKSHAFT POSITION SENSOR CIRCUIT. · P2610 - PCM INTERNAL ENGINE OFF TIMER PERFORMANCE.** · U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE. ATTEMPTING TO CLEAR THE DTC WILL BE UNSUCCESSFUL. · P0300 - MULTIPLE CYLINDER MISFIRE. · P0573 - BRAKE SWITCH 1 STUCK OFF."
18-045-162016-07-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE. This bulletin involves reprogramming of the Powertrain Control Module (PCM) with the latest available software.
18-045-162016-07-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This bulletin involves reprogramming of the Powertrain Control Module (PCM) with the latest available software. SYMPTOM/CONDITION: A small number of customers may experience one or more of the following symptoms and/or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): • P1217 - Active Exhaust Valve 1 Performance. • P121B - Active Exhaust Valve 2 Performance. In addition, customers may also comment on the following: • Unable to accurately increase or decrease the cruise control set speed using the resume or set buttons while the instrument cluster is set on metric units. Instead of changing vehicle speed by 1 KPH when pressing the buttons, the vehicle speed will increase approximately 1.6 KPH. • Slight spark knock condition during aggressive high speed driving which may prevent the vehicle from achieving maximum top speed.
21-030-142016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
21-030-14REV.A2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB21-023-15REV.B2016-01-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 2015 DODGE CHARGER AND 2015 CHRYSLER 300 TRANSMISSION CONTROL MODULE NEEDS REPROGRAMMING WITH THE LATEST SOFTWARE AVAILABLE. *CN
SB21-041-152015-10-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. CHRYSLER: WHILE ENGINE RUNNING AT IDLE, AND BRAKES ON, VEHICLE FAILS TO SHIFT OUT OF PARK AND INFORMATION PROCEDURE ON ELECTRONIC SHIFT MODULE REPROGRAMMING WITH THE NEWEST SOFTWARE IS PROVIDED *CN

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