EN / RU / ES / FR / DE

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:


Enter code:
+
P
-
+
0
-
+
0
-
+
0
-
+
0
-


Definition of check engine code P1491:

Acura

EGR valve Lift Insufficient Detected

Citroen/Peugeot

Secondary Switch Solenoid Circuit Malfunction

Ford

Secondary Switch Solenoid Circuit Malfunction

Honda

Exhaust Gas Recirculation (EGR) Valve Insufficient Lift (EGR)

Infinity

Vacuum Cut Valve Bypass Valve

Isuzu

EGR Valve Lift Insufficient Detected

Mercedes

A/C refrigerant pressure too high

Nissan

VC Cut/V BypasS/V

Plymouth

Radiator Fan Control Relay Circuit Open Or Shorted

Saab

EVAP Tank Pressure Sensor. Performance Problem and malfunctional fuel level sensor.

Subaru

POSITIVE CRANKCASE VENTILATION (BLOW-BY) FUNCTION PROBLEM
If you can not find the error description, please let us know and we will try to help: