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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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Definition of check engine code P1194:

Chrysler/Dodge/Jeep:

PWM O2 Heater Relay Performance

Citroen/Peugeot:

ECU A/D Converter

Daewoo:

ETS LIMPHOME TPS2 POS. MAL.

Ford:

ECU A/D Converter

Jaguar:

O2 Sensor Heater Circuit Resistance Fault

Kia:

02 Sensor Heater Circuit Resistance Fault

Land Rover:

Oxygen Sensor Heater High Resistance Downstream

Lincoln:

ECU A/D Converter

Mercedes:

ECM/PCM A/D Converter

Mercury:

ECU A/D Converter

Oldsmobile:

ECU A/D Converter

Plymouth:

Incorrect Or Irrational Performance Has Been Detected For The PWM

Volkswagen/Audi:

Fuel pressure control valve - short to positive
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