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Ford TSB #TSB 23-2368
2021 Ford Bronco
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This article supersedes TSB 23-2196 to update the Service Procedure. Some 2021-2022 Bronco vehicles equipped with a 2.7L or 3.0L EcoBoost engine may exhibit various charging system error messages and/or illuminated charging system indicator displayed in the instrument panel cluster (IPC) with diagnostics trouble code (DTC) B11DB set within the body control module (BCM). This may be due to coolant contamination into the battery monitor sensor (BMS) and/or in line connector from a leaking transmission fluid heater coolant control valve. To correct the condition, follow the Service Procedure to clean the BMS connector and replace the transmission fluid heater coolant control valve.
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