|Trouble Code||Fault Location||Probable 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 ???...