FixVault
Home
›
Acura
›
2025
›
MDX Base
›
Repair and Diagnosis
›
Body & Frame
›
Door Locks
›
Keyless Access Control Unit DTC Diagnostics
›
Troubleshooting
›
DTC Troubleshooting: B1647
›
Overview
DTC Troubleshooting: B1647: Overview
If the body control module detects earth fault of right-front LF antenna line, the body control module determines an abnormality and stores the DTC.