OBD-II trouble code database

Search by code or description, or filter by system. Each code page shows severity, ranked causes, and DIY-vs-shop repair cost.

16 codes

OBD-II trouble codes
Code	Description	Severity	Shop cost
P0011	Camshaft Position — Timing Over-Advanced (Bank 1)	Warning	$250–$1,200
P0102	Mass Air Flow (MAF) Sensor Circuit Low Input	Warning	$150–$450
P0113	Intake Air Temperature (IAT) Sensor Circuit High Input	Info	$90–$300
P0128	Coolant Thermostat Below Regulating Temperature	Info	$200–$550
P0141	O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)	Info	$150–$450
P0171	System Too Lean (Bank 1)	Warning	$150–$800
P0174	System Too Lean (Bank 2)	Warning	$150–$800
P0300	Random / Multiple Cylinder Misfire Detected	High	$120–$1,200
P0335	Crankshaft Position Sensor Circuit Malfunction	High	$150–$500
P0401	Exhaust Gas Recirculation (EGR) Insufficient Flow	Warning	$150–$700
P0420	Catalyst System Efficiency Below Threshold (Bank 1)	Warning	$200–$2,400
P0430	Catalyst System Efficiency Below Threshold (Bank 2)	Warning	$200–$2,400
P0440	Evaporative Emission (EVAP) System Malfunction	Info	$90–$600
P0455	Evaporative Emission System Leak Detected (Large Leak)	Info	$90–$650
P0456	Evaporative Emission System Leak Detected (Small Leak)	Info	$100–$650
P0700	Transmission Control System Malfunction	Warning	$100–$1,500

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