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

U1194 SCP (J1850) Invalid or Missing Data for Mirrors

Communication Network System High severity

U1195 SCP (J1850) Invalid or Missing Data for Mirrors

Communication Network System High severity

U1196 SCP (J1850) Invalid or Missing Data for Door Locks

Communication Network System High severity

U1198 SCP (J1850) Invalid or Missing Data for External Access (Doors)

Communication Network System High severity

U1199 SCP (J1850) Invalid or Missing Data for External Access (Doors)

Communication Network System High severity

U1202 SCP (J1850) Invalid or Missing Data for Windows

Communication Network System High severity

U1203 SCP (J1850) Invalid or Missing Data for Windows

Communication Network System High severity

P3447 Cylinder 6 Exhaust Valve Control Circuit Low

Fuel and Air Metering High severity

P1848 Internal malfunction detected in ECM

Volkswagen Computer Output Circuit High severity

U1207 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1209 SCP (J1850) Invalid or Missing Data for Seat Switches

Communication Network System High severity

U1210 SCP (J1850) Invalid or Missing Data for Restraints

Communication Network System High severity

U1212 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1213 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity

U1214 SCP (J1850) Invalid or Missing Data for Primary Id

Communication Network System High severity