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
U2016
Signal Link Short to Ground (Non SCP) / From NGV Module
Communication Network System
High severity
U2018
Passenger Side Crash Sensor Communication Fault (Non SCP)
Communication Network System
High severity
P1851
Internal malfunction detected in Brakes control module
Volkswagen
Computer Output Circuit
High severity
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