2.2.333. SPN 520383, FMI 12, Air mass sensor: Differential Pressure sensor defective.ΒΆ

Description

The air mass sensor internal differential pressure sensor is defected.

Possible causes are:

  • The sensor is defective.

Reaction in EEM

The FC is stored and the warning lamp is activated. The CAN message indicates an active fault.

Solution

First save the error log and then do the procedure that follows:

  • Restart the ECU. If the fault occurs again sensor needs to be replaced.
  • Check the operation with another air mass sensor to see if the sensor is defective.

See Airmass sensor for reference.