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
P1979
Issue in secondary air injection valve (controls emission)
Skoda
Auxiliary Emissions Control
High severity
P1339
Crankshaft Position/Engine Speed Sensor Cross Connected
Chevrolet
Ignition System
High severity
P1352
Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 2
Chevrolet
Ignition System
High severity
P1355
Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 5
Chevrolet
Ignition System
High severity
P1356
Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 6
Chevrolet
Ignition System
High severity
P1358
Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 8
Chevrolet
Ignition System
High severity
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