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MODEL S false warning for service

Discussion in 'Model S' started by CUBldr97, May 31, 2018.

  1. CUBldr97

    CUBldr97 Member

    Apr 20, 2015
    Two days ago my Model S chimed and said car needs service notify TESLA. it did this on more than one occasion, so I took it to Tesla.

    no other message as to what the issue was.

    after a day and a half at the service center they couldn't find an issue, but here is the report.

    Concern: Customer: Alert appeared: Car Needs Service/Contact Tesla Service. 5/29 @ 3:48
    Pay Type: Goodwill - Service
    Corrections: Vehicle Alerts General Diagnosis
    Pulled logs and reviewed withing time stamp given. Verified light illuminated for DCDC
    mia. Root causing this alert we found to be a power up timing issue with the module.
    Module was milliseconds delayed in powering up and other modules noticed it wasn't there
    thus triggering the alert on the screen. This is a rare bug that can happen but doesn't
    affect vehicle performance and there is no fix at this time. It is under investigation by

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