P1491 Diagnose-Fehlercode (6 Interpretationen)

The control module detected improper operation of the Engine coolant blower motor relay. This is the manufacturer-specific definition used by Chrysler.

The control module detected a fault associated with the Exhaust gas recirculation (EGR) system - valve lift insufficient circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Honda.

The control module detected that the AIC system - pressure value was above the expected limit. This is the manufacturer-specific definition used by Mercedes-Benz.

The control module detected improper operation of the Positive crankcase ventilation (PCV). This is the manufacturer-specific definition used by Subaru.

The control module detected an interruption (open circuit) in the EVAP Canister Purge Regulator Valve 2 circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

The control module detected an interruption (open circuit) in the EVAP Canister Purge Regulator Valve 2 circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen.