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2024-2026 Stellantis TBM Battery Failure DTC B1E21-96
A Technical Service Bulletin (TSB 08-394-25) addresses Malfunction Indicator Lamp (MIL) illumination and the Diagnostic Trouble Code (DTC) B1E21-96 in 2024-2026 Stellantis vehicles. This indicates a Telematics Box Module (TBM) backup battery component internal failure, often accompanied by a…
2019-2026 Stellantis Uconnect Box Battery Service DTC B1E21-96
This manufacturer communication (NHTSA ID 11026660) details a common issue in 2019-2026 Stellantis vehicles where a 'Battery of Uconnect Box requires service' message appears, accompanied by DTC B1E21-96. The fix involves replacing the internal battery of the Telematics Box Module (TBM), not the…
2019-2026 Stellantis TBM Backup Battery DTC B1E21-96
Stellantis TSB 08-394-25 addresses Telematics Box Module (TBM) backup battery failures, identified by DTC B1E21-96. This can cause a 'Battery of Uconnect Box requires service' message in 2019-2026 Alfa Romeo, Dodge, Jeep, and RAM vehicles.