# 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.

## Bulletins for this model year that name B12B5

- [11030238](https://open.wenmarpro.com/bulletins/11030238), 2026-03-25: 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.
- [11030213](https://open.wenmarpro.com/bulletins/11030213), 2026-03-25: 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.