OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
U1039
SCP (J1850) Invalid or Missing Data for Primary Id / Vehicle Speed
Communication Network System
High severity
U1041
SCP (J1850) Invalid or Missing Data for Vehicle Speed
Communication Network System
High severity
U1042
SCP (J1850) Invalid or Missing Data for Traction Control
Communication Network System
High severity
U1044
SCP (J1850) Invalid or Missing Data for Traction Motor
Communication Network System
High severity
U1053
SCP (J1850) Invalid or Missing Data for Steering / Steering Wheel
Communication Network System
High severity
U1057
SCP (J1850) Invalid or Missing Data for Vehicle Configuration
Communication Network System
High severity
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