OBDII/EOBD diagnostics trouble codes definition
If your car is equipped with OBD-II or EOBD, you can access over 5,000 generic OBD-II diagnostic trouble codes (DTCs).
These codes cover various vehicle systems, including Powertrain (P0XXX, P2XXX, P34XX), Body (B0XXX), Chassis (C0XXX), and Network/Communication (U0XXX, U2XXX, U3XXX).
Additionally, there are more than 13,500 manufacturer-specific OBD-II codes available for diagnosing issues unique to different car brands and models.
Make sure you're equipped with the right tools to understand and resolve these trouble codes to keep your vehicle running smoothly.
By using these OBD-II codes, you can effectively diagnose issues related to engine performance, safety features, suspension, and more.
Enter code:
BMW:
O2 Sensor Heater Control Circuit (Bank 1 Sensor 1)
Chrysler/Dodge/Jeep:
Fuel Pressure Regulator Offset Rationality
Citroen/Peugeot:
Lack Of HO2S Switch - Sensor Indicates Rich
Daewoo:
LIQUID FUEL SOL. FAULT
Fiat:
Fuel rail pressure
Fiat:
Sensor of catalyst temperature
Ford:
Lack Of HO2S Switch - Sensor Indicates Rich
GM:
Heated Oxygen Sensor (HO2S) Circuit Low Variance Bank 2 Sensor 1
Jaguar:
Lack of H02S-11 switch, sensor indicates rich
Land Rover:
Oxygen Sensor Engine Rich *Codes* A U
Lincoln:
Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank 1
Mazda:
HO2S Bank 1 Sensor 1 Signal Above 0.45v (A/F Ratio Too Rich)
Mercedes:
H02S - 11 signal below 0.45v (A/F ratio too rich)
Mercury:
Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank 1
Nissan:
Swirl Control Valve
Oldsmobile:
Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank 1
Saab:
O2S. Switch point - rich. Senson 1
Volkswagen/Audi:
O2 Sensor Heating Circ.,Bank1 + 2 - Sensor1 Short to B +
Volvo:
O2 Sensor Heating Circ.,Bank1 + 2 - Sensor1 Short to B +
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