Service bulletins for the 2021 Dodge Durango
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.
562 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 18-033-26 | 2026-03-05. Service bulletin. ENGINE; POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates **Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during cold start catalyst heating. ● P0301-00 - Cylinder 1 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0302-00 - Cylinder 2 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0303-00 - Cylinder 3 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0304-00 - Cylinder 4 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0305-00 - Cylinder 5 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0306-00 - Cylinder 6 Misfire - in Active or Stored status set during cold start catalyst heating.** ● P2097 - Downstream Fuel Trim System 1 Rich. ● P2099 - Downstream Fuel Trim System 2 Rich. **Customers may comment on one or more of the following: ● Vehicle has a rough idle. ● Engine misfires. ● Noisy valvetrain.** This bulletin involves reprogramming the PCM with the latest available software. |
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| S228A000025 REV.A | 2026-03-05. Service bulletin. ELECTRICAL SYSTEM. Harman R1H Uconnect 5 Radio Software Flash Error Codes |
| S268A000008 | 2026-03-05. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Requires Service, Please Visit an Authorized Dealer Message on Display Message With DTCs B1498-13, B1498-19 or B1570-93 |
| S1408000384 REV.I | 2026-02-19. 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 |
| S2623000006 | 2026-02-19. Service bulletin. ELECTRICAL SYSTEM. Washer Fluid Warning Lamp Illuminated When Reservoir Is Full |
| 109727 | 2026-01-28. Service bulletin. ENGINE. Water Pump & Chain Case Cover |
| 109724 | 2026-01-28. Service bulletin. ENGINE. Water Pump & Chain Case Cover |
| S2408000114 REV.B | 2026-01-21. Service bulletin. ELECTRICAL SYSTEM. Instrument Panel Cluster (IPC) Displays Warning Lamps or Messages for Loss of Advanced Driver Assist System (ADAS) |
| 08-396-25 | 2025-12-17. Service bulletin. ELECTRICAL SYSTEM. Drivetrain Control Module (DTCM) Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● C1403 - 92 Transfer Case Range Position Sensor - Performance Or Incorrect Operation. ● U0403 - 00 Implausible Data Received From Transfer Case. Customers may experience the following: ● Service 4WD Light On in Instrument Panel Control (IPC) This bulletin involves replacing the DTCM.Drivetrain Control Module (DTCM) Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● C1403 - 92 Transfer Case Range Position Sensor - Performance Or Incorrect Operation. ● U0403 - 00 Implausible Data Received From Transfer Case. Customers may experience the following: ● Service 4WD Light On in Instrument Panel Control (IPC) This bulletin involves replacing the DTCM. |
| 108840 | 2025-12-11. Service bulletin. ENGINE. Hose- Oil Cooler Inlet, Outlet |
| 108547 | 2025-12-11. Service bulletin. STRUCTURE:BODY; ENGINE. ISOLATOR - ENGINE MOUNT |
| 108546 | 2025-12-11. Service bulletin. STRUCTURE:BODY; ENGINE. ISOLATOR - ENGINE MOUNT |
| S258A000021 | 2025-12-11. Service bulletin. ELECTRICAL SYSTEM. Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set. |
| S2423000012 REV.D | 2025-11-26. Service bulletin. STRUCTURE:BODY. Power Liftgate Is Inoperative or Won’t Close. |
| S2509000009 | 2025-11-05. Service bulletin. ENGINE. Engine Oil Leak |
| S2505000011 | 2025-10-29. Service bulletin. SERVICE BRAKES. Poor Brake Pedal Feel After Recent Repair. Pedal Travel And Or Excessive Pedal Travel. |
| S2523000084 | 2025-10-15. Service bulletin. SUSPENSION. Tick Click Snap Noise With Chassis Flex From Front Wheel Area While Driving. |
| 107614 | 2025-10-08. Service bulletin. UNKNOWN OR OTHER. EVAPORATOR - AIR CONDITIONING & CORE - HEATER |
| 9100670 | 2025-10-02. Service bulletin. ENGINE. Data collection required for all 2020-2026MY vehicles with 3.6L PSU engines during any of their first 3 engine oil changes. This data collection is applicable to all vehicle with engines with sales codes: ERG, ERC, EH3 and ERF. To assist with monitoring and quality improvement of the 3.6L engine, every time a vehicle comes for any of the first 3 oil changes, please use wiTECH to record the total engine idle time and the total engine runtime. 1. Prior to perform the oil change connect wiTECH diagnostic tool. 2. Navigate to the topology screen on the action item section. 3. Once the topology screen loads, disconnect wiTECH and continue with oil change. |
| 9100659 | 2025-10-02. Service bulletin. STRUCTURE:BODY. Rear storage lid (5LC38TRMAK) can stick against rear scuff when opening and closing. If issue presents itself, disassemble and reassemble the cargo lid with seat in down position. Doing will most likely reset positioning and allow for there to be no interference of the cargo lid and rear scuff. |
| 9100671 | 2025-09-24. Service bulletin. ELECTRICAL SYSTEM. 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. |
| 23-008-25 REV. A | 2025-09-24. Service bulletin. STRUCTURE:BODY. Exterior Front Lamps Condensation Clearing Procedure *Some customers may report that on occasion vehicle exterior front lamps (headlamps, fog lamps, grille lamps, logo lamps or signature lamps) assemblies are fogged with a light layer of condensation on the inside of the lenses* |
| 02-002-25 REV. A | 2025-09-17. Service bulletin. SUSPENSION. Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts. |
| 14-004-25 REV. B | 2025-08-27. Service bulletin. FUEL/PROPULSION SYSTEM. Extended Crank Condition Due To Loss of Fuel Pressure Customers may experience the following: ● Extended engine crank condition. This bulletin involves performing a fuel pressure test and possibly replacing the **fuel pressure regulator**. |
| 9100645 | 2025-08-21. Service bulletin. UNKNOWN OR OTHER. Verify Reman part number availability. Order the "R" part number for all orders: Warranty, Mopar, customer pay and service contract. Order "68" part number for New unsold units only. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.