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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.

Supported manufacturers with specific OBD2 codes:

Enter code:
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P
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Definition of check engine code P1155:

BMW:

O2 Sensor Heater Circuit Signal Intermittent (Bank 2 Sensor 2)

Citroen/Peugeot:

Alternative Fuel Controller

Daewoo:

FAIL SAFE VALVE MAL

Fiat:

Preheating resistance 2 above catal.

Ford:

Alternative Fuel Controller

GM:

Heated Oxygen Sensor (HO2S) Lean Mean Bank 2 Sensor 1

Hyundai:

ETS Limp Home Valve

Lexus:

Air/Fuel Ratio Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

Lincoln:

Alternative Fuel Controller

Mercury:

Alternative Fuel Controller

Oldsmobile:

Alternative Fuel Controller

Scion:

Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)

Toyota:

A. / F Sensor Heater Circuit Malfunction

Volkswagen/Audi:

Manifold Abs. Pressure Sensor Circ. Short to B +

Volvo:

Manifold Abs. Pressure Sensor Circ. Short to B +

Subaru:

O2 SENSOR CIRCUIT RANGE/PERFORMANCE (HIGH) (BANK 2 SENSOR 1)
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