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Service bulletin 23-017-26

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)
TypeService bulletin
NHTSA id11033949
Published by NHTSA2026-06-18
Manufacturer's number23-017-26
Manufacturer's date2026-06-11
NHTSA componentSTRUCTURE:BODY

NHTSA's summary

Headlamp Aiming Customers may comment on the following: ● The left headlamp is horizontally misaligned or incorrect This bulletin is to properly aim the left headlamp.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame

Vehicles listed
JEEP CHEROKEE2026

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

Other bulletins for the same vehicles and component
08-178-26 REV. A2026-09-17. Service bulletin. Flash: Power Liftgate Module (PLGM) Update Customers may comment on one or more of the following: ● The power liftgate chime remains active continuously and does not stop after the liftgate is closed or after an ignition cycle. ● The vehicle will not start due to a discharged battery. NOTE: Battery discharge caused by a continuously active liftgate chime or liftgate remaining open for an extended period. The following PLGM software enhancements are available with this software release: ● New Diagnostic Trouble Codes (DTCs) have been added to the PLGM to report out-of-range ambient temperature and the PLGM being left in plant mode. This bulletin involves reprogramming the PLGM with the latest software.
1140802026-08-26. Service bulletin. HANDLE BRACKET - EXTERIOR DOOR & BRACKET - DOOR HANDLE
23-034-262026-08-19. Service bulletin. Door Latch 12V Battery Drain Customers must experience the following: SYMPTOM: ● The 12v battery is depleted. NOTE: Battery depletion is due to a door latch module issue. This bulletin involves replacing both front door and both rear door latch modules.
S2623000041 REV.A2026-07-02. Service bulletin. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed. Rev A
23-017-26 REV. A2026-07-02. Service bulletin. Headlamp Aiming Customers may comment on the following: SYMPTOM: ● The left headlamp is horizontally misaligned or incorrect. **This bulletin involves the inspection and headlamp alignment procedure for both headlamps.**
18-052-26 REV. A2026-07-02. Service bulletin. Flash: Powertrain Control Module (PCM) Updates - PCR8A3 Technicians may find one or more of the following Diagnostic Trouble Code (DTC): SYMPTOM: ● **P22D3-00 - Turbo Turbine Inlet Valve Stuck Closed. DTC falsely sets. ● P016A-00 - Excessive Time To Enter Closed Loop Air/fuel Ratio Control. DTC falsely sets.** ● P04B6-00 - Fuel Fill Door Stuck Closed (Stored Status). NOTE: There will be no Malfunction Indicator Lamp (MIL) for this DTC. Customers may also experience one or more of the following: ● The vehicle will not start and cannot be keyed off. NOTE: The vehicles 12V system remains powered up. ● Poor combustion stability or "wavy" engine RPM oscillations during engine warm-ups. ● Engine Stop/Start (ESS) bumps or lack of refinement. ● Noisy/poor starts in extreme cold temperatures. ● Perceived after-run pump noise after vehicle is turned off. The following software enhancements are also available: ● **Disablement for DTCs P22D3-00 and P016A-00 setting.** ● Diagnostic improvements for DTCs, P013A-00, P013B-00, P013E-00 and P013F-00. ● Improved transitions between engine operating modes for emissions robustness. ● Scan tool improvement to show accurate state of after-run pump. ● Scan tool improvements for EVAP system data. ● Improved combustion stability during warm-up and catalyst-reheating mode. ● Improved ESS refinements. ● Optimization of after-run pump usage for lower 12V usage and perceived customer noise. ● Disablement of DTC P04B6-00 for falsely setting. ● Calibration update for EVAP system Service Leak Test. ● Improved engine starts at extreme low temperatures. This bulletin involves inspecting and possibly reprogramming the Battery Pack Control Module (BPCM), Drive Motor Power Inverter (DMPI), Electric Vehicle Control Unit (EVCU) and PCM with the latest available software.
S2523000019 REV.A2026-06-18. Service bulletin. If The Hood Will Not Fully Release When Button On The Dash Is Pressed Or The Hood Will Not Fully Latch.
S26230000412026-06-16. Service bulletin. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed.
S2623000035 REV.A2026-06-03. Service bulletin. Door Will Not Close. E-Latch Inoperative.
S26230000352026-05-28. Service bulletin. Door Will Not Close. E-Latch Inoperative.