Car Fault Codes
OBD-II trouble codes explained: meaning, causes, symptoms, fixes and typical repair cost.
Category
All
Fuel & air
Ignition & misfire
Emissions & exhaust
Cooling & lubrication
Speed & idle
Engine computer & electrical
Transmission
Hybrid & EV
Network
Body
Chassis & brakes
Showing 1–21 of 21 codes
P2002
Diesel Particulate Filter Efficiency Below Threshold (Bank 1)
P2195
O2 Sensor Signal Stuck Lean (Bank 1 Sensor 1)
P2196
O2 Sensor Signal Stuck Rich (Bank 1 Sensor 1)
P2197
O2 Sensor Signal Stuck Lean (Bank 2 Sensor 1)
P2198
O2 Sensor Signal Stuck Rich (Bank 2 Sensor 1)
P2270
O2 Sensor Signal Stuck Lean (Bank 1 Sensor 2)
P2271
O2 Sensor Signal Stuck Rich (Bank 1 Sensor 2)
P2272
O2 Sensor Signal Stuck Lean (Bank 2 Sensor 2)
P2273
O2 Sensor Signal Stuck Rich (Bank 2 Sensor 2)
P2400
Evaporative Emission System Leak Detection Pump Control Circuit/Open
P2401
Evaporative Emission System Leak Detection Pump Control Circuit Low
P2402
Evaporative Emission System Leak Detection Pump Control Circuit High
P2440
Secondary Air Injection System Switching Valve Stuck Open (Bank 1)
P2444
Secondary Air Injection System Pump Stuck On (Bank 1)
P2452
Diesel Particulate Filter Pressure Sensor "A" Circuit
P2453
Diesel Particulate Filter Pressure Sensor "A" Circuit Range/Performance
P2454
Diesel Particulate Filter Pressure Sensor "A" Circuit Low
P2455
Diesel Particulate Filter Pressure Sensor "A" Circuit High
P2463
Diesel Particulate Filter Restriction - Soot Accumulation
P2A00
O2 Sensor Circuit Range/Performance (Bank 1 Sensor 1)
P2A03
O2 Sensor Circuit Range/Performance (Bank 2 Sensor 1)