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

U1009 SCP (J1850) Invalid or Missing Data for Engine Torque

Communication Network System High severity

U1011 SCP (J1850) Invalid or Missing Data for Engine Air Intake

Communication Network System High severity

U1012 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1013 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1016 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1017 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1018 SCP (J1850) Invalid or Missing Data for Throttle

Communication Network System High severity

U1020 SCP (J1850) Invalid or Missing Data for Air Conditioning Clutch

Communication Network System High severity

U1023 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1024 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1026 SCP (J1850) Invalid or Missing Data for Engine RPM

Communication Network System High severity

U1027 SCP (J1850) Invalid or Missing Data for Engine RPM

Communication Network System High severity

U1030 SCP (J1850) Invalid or Missing Data for Experimental 1

Communication Network System High severity

U1031 SCP (J1850) Invalid or Missing Data for Experimental 1

Communication Network System High severity

U1033 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity