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
P1834
Issue in hydraulic pressure sensor solenoid in gear
Volkswagen
Transmission System
High severity
P1835
Issue in hydraulic pressure sensor solenoid in gear
Volkswagen
Transmission System
High severity
P1839
Issue in hydraulic pressure sensor solenoid in gear
Volkswagen
Transmission System
High severity
P1840
Issue in hydraulic pressure sensor solenoid in gear
Volkswagen
Transmission System
High severity
P1842
Internal malfunction detected in Instrument Cluster control module
Volkswagen
Computer Output Circuit
High severity
P1843
Internal malfunction detected in AWD control module
Volkswagen
Computer Output Circuit
High severity
U0072
Internal malfunction detected in ECM (CAN bus)
Mercedes Benz
Communication Network System
High severity
U1070
SCP (J1850) Invalid or Missing Data for Engine Sensors
Communication Network System
High severity
U0100
Internal malfunction detected in ECM (CAN bus)
Mercedes Benz
Communication Network System
High severity
U1005
SCP (J1850) Invalid or Missing Data for EEC Programming
Communication Network System
High severity
U1008
SCP (J1850) Invalid or Missing Data for Engine Torque
Communication Network System
High severity
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