U1040 – SCP (J1850) Invalid or Missing Data for Vehicle Speed

BAT Team

By BAT Team (Contact Me)
Last Updated 2016-07-13
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Trouble CodeFault LocationProbable Cause
U1040 SCP (J1850) Invalid or Missing Data for Vehicle Speed

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BAT Team Discussions for U1040

  • electronic brake controll module
    The code that continuosly appears is u1040 loss of communication to electronic brake controll module. It will appear in history codes in the pcm, bcm, ipc, and srs. If I clear the codes they will return within thirty seconds of starting the vehicle ???...