B1974 on the 2020 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.
| SSM74298 | 2019-04-08. Service bulletin. During or after the Pre Delivery Inspection (PDI) a technician may observe that Diagnostic Trouble Code (DTC) B1974-86 - Rear View Mirror Module Signal Invalid is stored in the Body Control Module (BCM) as a permanent DTC and cannot be cleared. |
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| SSM74298 | 2019-04-01. Service bulletin. During or after the Pre Delivery Inspection (PDI) a technician may observe that Diagnostic Trouble Code (DTC) B1974-86 ? Rear View Mirror Module Signal Invalid is stored in the Body Control Module (BCM) as a permanent DTC and cannot be cleared. |
2 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.