B1A56 · 厂商技术资料

FORD, LINCOLN · 2026-02-06

Some 2020-2022-Corsair, 2021-2023 Nautilus, 2020-2024 Navigator/Aviator, and 2021-2024 Mustang Mach-E vehicles equipped with phone-as-a-key may exhibit various phone-as-a-key concerns with diagnostic trouble codes (DTC) U200D:15, U200E:15, U200F:15, B1589:31/49 through B1598:31/49, B1A56:31/49, B1D55:31/49, and/or B15A5:56 stored in the remote function actuator (RFA) module. If any of these DTCs are detected during diagnostics, clear the DTCs, reprogram the RFA to the latest software level and start a new Ford Diagnosis and Repair System (FDRS) session. Verify that DTCs are no longer present. If only the B1589:31/49 through B1598:31/49, B1A56:31/49, B1D55:31/49, and/or B15A5:56 DTCs return in the RFA after a self-test, follow normal Workshop Manual (WSM) diagnostics in Section 419-01.…

LINCOLN · 2020-06-23

Some 2020 Navigator and 2020 Corsair vehicles may have diagnostic trouble codes (DTCs) P1269, B1A56, B1D55, B1589, and/or B1590 through B1598 stored in the RFA module with no reported customer symptoms. If these DTCs are detected during pre-delivery inspection (PDI) or while diagnosing unrelated conditions, they should be disregarded.

LINCOLN · 2020-06-15

Some 2020 Corsair vehicles may exhibit diagnostic trouble codes (DTCs) P1269, B1A56, B1D55, B1589, and/or B1590 through B1598 stored in the RFA module with no detectable customer symptoms. If these DTCs are detected during pre-delivery inspection (PDI) or while diagnosing unrelated conditions, they should be ignored.

LAND ROVER · 2018-11-05

SOS Limited Functionality displayed on the Instrument Cluster (IC) and Multiple Diagnostic Trouble Codes (DTC?s) may be stored in the Telematics Control Module (TCU). All or a combination of the following DTC?s may be present in the TCU: B1A56-11 - Antenna - Circuit short to ground (GSM antenna circuit short circuit to ground) B1A56-15 - Antenna - Circuit short to battery or open (GSM antenna circuit short circuit to power, open circuit, high resistance) B119F-01 - GPS Antenna - General electrical failure (Global positioning system antenna circuit short circuit to ground, short circuit to power) B119F-13 - GPS Antenna - Circuit open (Global positioning system antenna circuit open circuit, high resistance) SOS Limited Functionality may affect the TCU's ability to support the ECall function…