OBD Guide — OBD-II Codes
OBD-II fault code database. Decode car error codes, causes, symptoms and fixes.
Popular Codes
P0011
ACamshaft Position - Timing Over-Advanced or System Performance (Bank 1)
P0016
Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
P0087
Fuel Rail/System Pressure - Too Low Bank 1
P0113
Intake Air Temperature Sensor 1 Circuit High Bank 1
P0128
Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
P0171
System Too Lean Bank 1
P0172
System Too Rich Bank 1
P0174
System Too Lean Bank 2
P0300
Random/Multiple Cylinder Misfire Detected
P0340
Camshaft Position Sensor A Circuit Bank 1 or Single Sensor
P0401
EGR A Flow Insufficient Detected
P0420
Catalyst System Efficiency Below Threshold Bank 1
P0455
EVAP System Leak Detected - Large Leak
P0507
Idle Control System RPM - Higher Than Expected
P0606
Control Module Processor
P0700
Transmission Control System (MIL Request)