Service bulletins for the 2023 Jeep Grand Wagoneer
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.
552 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Heating and air conditioning are shown. Show all
| 2400623 | 2023-10-02. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change |
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| 9100205 | 2023-10-02. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. TOUCH DISPLAY - HVAC CONTROLS For complaints of non-operational HVAC Touch Display (center stack buttons still function normally), please contact FCA redacted Content prior to replacing this part. If no response in 15 minutes, proceed with repair. |
| 2400723 | 2023-09-25. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. HVAC temperature door stuck (HVAC) 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 (DTC)s have been set: ?B11CB-92 Front/Left Temperature Door 1 Control - Performance or Incorrect Operation. ? B11CC-00 Main/Left Temperature Door 1 Travel Too Small. Customers may also comment on the following: ? Driver side temperature cold when commanded to hot (or vice versa). This bulletin involves installing a three millimeter foam washer under the blend door cam gear. |
| 2400623 | 2023-08-21. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change (Except Alfa Romeo Vehicles) |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.