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Home › Acura › 2023 › MDX Base › Repair and Diagnosis › Body & Frame › Door Locks › Keyless Access Backup Control Unit DTC Diagnostics › Troubleshooting › DTC Troubleshooting: B1901 › Overview

DTC Troubleshooting: B1901: Overview

If the body control module detects an error of the internal CPU, the body control module determines an abnormality and stores the DTC.