Home08-394-25 · ALFA ROMEO, CHRYSLER, DODGE, JEEP, RAM
ALFA ROMEO, CHRYSLER, DODGE, JEEP, RAM

08-394-25

Manufacturer communications

Publication date
2025-12-05
Received by NHTSA
2025-12-11
NHTSA record numbers
11026549

Manufacturer summary

Original wording in English

Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC):
• B1E21-96 - Backup Battery Component Internal Failure

NHTSA manufacturer communications ↗

Reported code forms

B1E21

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
ChryslerVOYAGER2024
ChryslerVOYAGER2023
ChryslerVOYAGER2022
DodgeCHALLENGER2023
DodgeCHARGER2026
DodgeCHARGER2025
DodgeCHARGER2024
DodgeCHARGER2023
DodgeDURANGO2026
DodgeDURANGO2025
DodgeDURANGO2024
DodgeDURANGO2023
DodgeDURANGO2022
DodgeHORNET2026
DodgeHORNET2025
DodgeHORNET2024
DodgeHORNET2023
JeepCOMPASS2026
JeepCOMPASS2025
JeepCOMPASS2024
JeepCOMPASS2023
JeepCOMPASS2022
JeepGLADIATOR2026
JeepGLADIATOR2025
JeepGLADIATOR2024
JeepGLADIATOR2023
JeepGLADIATOR2022
JeepGRAND CHEROKEE2026
JeepGRAND CHEROKEE2025
JeepGRAND CHEROKEE2024

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