U0400 – Invalid data received

BAT Team

By BAT Team (Contact Me)
Last Updated 2016-04-30
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Trouble CodeFault LocationProbable Cause
U0400 Invalid data received

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BAT Team Discussions for U0400

  • CEL, oil, & battery warning lamp all come on intermittently
    For the last week the CEL, oil, battery warning lamp come on at the same time, intermittently while driving. All 3 of these warning lamps are in the speedo face. This has happened 5 or 6 times while driving for enough minutes to get engine warm and therefore probably in closed loop. They all wi...