B1A56 on the 2017 Land Rover Range Rover Evoque
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| SSM74147 | 2018-12-17. Service bulletin. 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 when required by the customer. |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.