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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
S21080000242021-02-16. Service bulletin. ENGINE AND ENGINE COOLING. Crank No Start Condition, No DTC?s
S21090000012021-02-16. Service bulletin. ENGINE AND ENGINE COOLING. Customer may complain of a MIL lamp on. Upon further investigation there could be a fault code in the PCM for P1524 ? Oil Pressure Out of Range ? Camshaft Advance/Retard Disabled.
S1709000010 Rev.2021-02-16. Service bulletin. ENGINE AND ENGINE COOLING. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. Upon investigation, it may be found that there is excessive camshaft lobe wear/lifter wear (roller failure) on one or more cam lobes and that camshaft/lifter replacement is necessary.
S20080001812020-12-28. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. No Start Condition, Low Battery Voltage And Battery Light On, DTC P2503, P2504 Active Or Stored
S1921000007 Rev.2020-10-26. Service bulletin. ENGINE AND ENGINE COOLING. (Revision A) Engine Restarting On Stop/Start Event Without Releasing The Brake Pedal, EVIC Displays Shift To P Then Desired Gear, D on PRNDL Flashing
90014962020-10-26. Service bulletin. ENGINE; EQUIPMENT. CAP, Engine Oil, Fill (O RING, Oil Filler Cap) For all model years, models and engines using oil fill caps with O-Ring seals: These O-Rings are now available for service. The green O-Ring is part 68029299A$. The black O-Ring is to be serviced by the green O-Ring. The blue O-Ring (thicker cross section than green & black) is part 68029300A$.~ If ordering this oil filler cap for a warranty repair due to a damaged/missing O-ring, please note that returned caps replaced for an O-ring issue will be subject to chargeback.
23-023-202020-09-28. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. Rear Heater Coolant Tube Repair This bulletin involves inspecting and possibly repairing the rear heater coolant return tube. Customers may comment on one or more of the following:A coolant leak or fluid appearing from under the vehicle. Elevated engine coolant temperature and/or indication of overheating.
S20080001132020-09-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
S19090000022020-06-22. Service bulletin. EQUIPMENT; ENGINE. Customer complaint may include an overfilled engine crankcase after an oil change.
90042262020-05-26. Service bulletin. ENGINE; EQUIPMENT. TUBE, Coolant outlet (Rear Heater Return Line) If looking to replace the rear heater line due to a rub through from the trans oil heater (TOH) line clamp on the engine side: 1) Rotate the tangs on the clamp towards the transmission and out of the direction of the rear heater line 2) Adjust the TOH line by pushing it towards the engine to increase clearance between the TOH line and rear heater line.
90042262020-05-18. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN; FUEL SYSTEM, GASOLINE. TUBE, Coolant outlet (Rear Heater Return Line) If looking to replace the rear heater line due to a rub through from the trans oil heater (TOH) line clamp on the engine side: 1) Rotate the tangs on the clamp towards the transmission and out of the direction of the rear heater line 2) Adjust the TOH line by pushing it towards the engine to increase clearance between the TOH line and rear heater line.
90042262020-04-27. Service bulletin. ENGINE AND ENGINE COOLING. TUBE, Coolant outlet (Rear Heater Return Line) If looking to replace the rear heater line due to a rub through from the trans oil heater (TOH) line clamp on the engine side: 1) Rotate the tangs on the clamp towards the transmission and out of the direction of the rear heater line 2) Adjust the TOH line by pushing it towards the engine to increase clearance between the TOH line and rear heater line.
90042232020-04-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING. BATTERY, Auxiliary (180 AMP) Mopar Engineering has reviewed the BBAUA180AA battery due to concerns over fitment in Chrysler, Jeep®, Dodge & Ram vehicles and has provided direction on usage. BBAUA180AA CAN BE USED in the following vehicles equipped with stop/start technology: ?MP ? Jeep Compass ?JL ? Jeep Wrangler ?JT ? Jeep Gladiator ?RU ? Chrysler Pacifica RU NOTE: Modify the BBAUA180AA battery positive mold cover by trimming 3mm of rubber on left side & bottom. ?WK ? Jeep Grand Cherokee ?WD ? Dodge Durango WK/WD NOTE:A vent kit is being created now and will replace the existing tube with a longer one and add an elbow to it for routing (availability is TBD).
18-089-192019-12-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
04-001-192019-10-28. Service bulletin. ENGINE. Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.

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