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Home › Acura › 2025 › MDX Base › Repair and Diagnosis › Accessories & Equipment › Anti-Theft Systems › Keyless Access Control Unit DTC Diagnostics › Troubleshooting › DTC Troubleshooting: B1663 › Overview

DTC Troubleshooting: B1663: Overview

If the body control module detects earth fault of rear interior LF antenna line, the body control module determines an abnormality and stores the DTC.