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

U1124 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1128 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1133 SCP (J1850) Invalid or Missing Data for Vehicle Motion

Communication Network System High severity

U1136 SCP (J1850) Invalid or Missing Data for Telematics

Communication Network System High severity

U1141 SCP (J1850) Invalid or Missing Data for Gateway

Communication Network System High severity

U1144 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1147 SCP (J1850) Invalid or Missing Data for Vehicle Security

Communication Network System High severity

U1151 SCP (J1850) Invalid or Missing Data for Audible Warnings

Communication Network System High severity

U1154 SCP (J1850) Invalid or Missing Data for Compact Disc

Communication Network System High severity

U1155 SCP (J1850) Invalid or Missing Data for Compact Disc

Communication Network System High severity

U1156 SCP (J1850) Invalid or Missing Data for Digital Signal Processing

Communication Network System High severity

U1160 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1163 SCP (J1850) Invalid or Missing Data for Digital Audio Tape

Communication Network System High severity

U1164 SCP (J1850) Invalid or Missing Data for Tuner / Receiver

Communication Network System High severity

U1167 SCP (J1850) Invalid or Missing Data for Cassette Tape

Communication Network System High severity