Park Brake May Drain the Battery

    March 28, 2023
    Some 2018 Lincoln Navigator vehicles may exhibit a battery draw resulting in a discharged battery. An electronic park brake (EPB) switch internal short may cause the ABS module to wake up, resulting in controller area network (CAN) system wake-up.
    Photo: Lincoln
    Some 2018 Lincoln Navigator vehicles may exhibit a battery draw from an electronic park brake (EPB) switch internal short.
    Some 2018 Lincoln Navigator vehicles may exhibit a battery draw from an electronic park brake (EPB) switch internal short.

    Some 2018 Lincoln Navigator vehicles may exhibit a battery draw resulting in a discharged battery. An electronic park brake (EPB) switch internal short may cause the ABS module to wake up, resulting in controller area network (CAN) system wake-up.

    If the draw cannot be duplicated with fuse F70 removed, suspect the EPB switch.

    About the Author

    Information courtesy of Mitchell 1

    Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

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