B12B5 on the 2026 Jeep Grand Wagoneer
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 08-123-26 | 2026-03-25. Service bulletin. Instrument Panel Cluster (IPC) Heads Up Display (HUD) Failure The vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): SYMPTOM: ● B12B5-49 - Head Up Display Module-Internal Electronic Failure. Customers may experience the following: ● Audible ringing noise coming from the instrument panel around the HUD module area when on. s are to be made at this time. Once available, new PN 68613172AG will have the solution. A SW update is not available to the HUD module. POLICY: Information Only. |
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| 08-123-26 | 2026-03-25. Service bulletin. Instrument Panel Cluster (IPC) Heads Up Display (HUD) Failure The vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): SYMPTOM: ● B12B5-49 - Head Up Display Module-Internal Electronic Failure. Customers may experience the following: ● Audible ringing noise coming from the instrument panel around the HUD module area when on. s are to be made at this time. Once available, new PN 68613172AG will have the solution. A SW update is not available to the HUD module. POLICY: Information Only. |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.