Service bulletin D-15-22A

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10076428
Published by NHTSA	2016-07-14
Manufacturer's number	D-15-22A
Manufacturer's date	2016-03-09
NHTSA component	ENGINE

NHTSA's summary

FAST FEEDBACK PROGRAM - 3.6L V6 24V VVT ENGINE-2016 DODGE DURANGO/JEEP GRAND CHEROKEE (REV. A). TO ANNOUNCE A FAST FEEDBACK PROGRAM FOR REPLACING OR REPAIRING THE 3.6L V6 24V VVT ENGINE (SALES CODE ERC) IN AN EFFORT TO COLLECT, MONITOR AND CORRECT QUALITY ISSUES IN A TIMELY AND EFFICIENT MATTER.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
DODGE DURANGO	2016
JEEP GRAND CHEROKEE	2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
2023338	2023-06-08. Engine
23V411000	2023-06-08. ENGINE AND ENGINE COOLING
2020544	2020-11-12. Engine
20V699000	2020-11-12. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
2020371	2020-08-13. Engine
20V475000	2020-08-13. ENGINE AND ENGINE COOLING:ENGINE:DIESEL
2018269	2018-05-17. Engine

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
112191	2026-05-28. Service bulletin. COOLER - ENGINE OIL
112192	2026-05-28. Service bulletin. COOLER - ENGINE OIL
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108547	2025-12-11. Service bulletin. ISOLATOR - ENGINE MOUNT
108546	2025-12-11. Service bulletin. ISOLATOR - ENGINE MOUNT
9100639	2025-08-13. Service bulletin. 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.
S2509000001 REV.B	2025-07-31. Service bulletin. Engine Rattle Noise
9100622	2025-07-09. Service bulletin. When replacing a camshaft and parts kit (P/N 68661146xx and/or 68661147xx), it is NOT necessary to order the roller-finger followers (rocker arms) separately, as these are included in the camshaft parts kit.
9100614	2025-06-26. Service bulletin. ADJUSTER Valve Lash Customer's complaint may include a ticking noise coming from the engine. Technician's observations can refer to spongy or stuck hydraulic lash adjusters. Exhaust lash adjusters found with a "spongy" condition (compressible plunger) leading to the assumption of being defective/malfunctioning. EXHAUST lash adjusters are designed to be COMPRESSIBLE by hand. Intake lash adjusters found with a stiff or stuck condition (non-compressible plunger) leading to the assumption of being defective/malfunctioning. INTAKE lash adjusters are designed to be NON COMPRESSIBLE by hand. Do Not Replace EXHAUST lash adjusters when the following condition is present: should be compressible, but they will exert a reactionary spring force during compression and return to full expansion without a compression force. Do Not Replace INTAKE lash adjusters when the following condition is present: should feel very firm and difficult to compress. Once the correct functioning of the intake and exhaust lash adjusters is validated with the procedure above, refer to the Service Manual "HYDRAULIC LIFTER(S) NOISE DIAGNOSIS" procedure. After the corresponding service procedures from the Service Manual involving the Lash Adjusters have been conducted, refer to the detailed instructions in the Service Manual to diagnose and/or service any other component.
9100498 Rev 3	2025-05-19. Service bulletin. 3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. Refer to SOL # S2509000004. It is also important to confirm that the vehicle being repaired has the latest calibration/software update for oil pump operation mode (high pressure mode) during engine start up. RU, VF, WL & WD vehicles already include the latest oil pump mode in all 25MY and beyond. 24MY service releases are also available. JL & JT were updated as a running change in 24MY and beyond (08/15/24 & 08/19/24 respectively). 24MY service releases available. DT was updated starting 25MY and beyond. If the vehicle to be repaired is a 24MY vehicle with a service release available, please follow the released service procedures to update to the corresponding calibration/software.