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OBDII/EOBD diagnostics trouble codes definition

If your car supports OBD II or EOBD, then you can already use almost 5000 generic OBDII codes. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX).

Also there is a list of more than 13500 additional manufacturer specific codes.

Supported manufacturers with specific OBD2 codes:


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Definition of check engine code P1493:

Chrysler/Dodge/Jeep:

Ambient/ Battery Temp sensor input voltage too low

Citroen/Peugeot:

RCNT Solenoid Circuit Malfunction

Ford:

RCNT Solenoid Circuit Malfunction

Infinity:

EVAP Canister Purge Control Valve/Solenoid Valve

Mercedes:

RCNT Solenoid Circuit

Nissan:

Purge Control/V & S/V

Plymouth:

Battery Temperature Sensor Voltage Too Low

Saab:

EVAP Tank Pressure Sens. Value too high when Depressurised and malfunctional fuel level se

Subaru:

EGR SIGNAL LINE 1 CIRCUIT (HIGH)