# 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.

## Bulletins for this model year that name B1974

- [10157136](https://open.wenmarpro.com/bulletins/10157136), 2019-04-08: 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.
- [10155607](https://open.wenmarpro.com/bulletins/10155607), 2019-04-01: 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.