Circuit DescriptionThe electronic control module (ECM) informs the driver of a maintenance event by using the Maintenance Monitor feature’s lubrication oil drain limits.

Component LocationRefer to the original equipment manufacturer (OEM) service manual for the location of the oil fill port.

Conditions for Running the DiagnosticsThis diagnostic runs continuously when the keyswitch is in the ON position.

Conditions for Setting the Fault CodesThe ECM detects that, based on the programmable setting in the Maintenance Monitor feature, the engine oil and filter needs to be changed.

Action Taken When the Fault Code is ActiveThe ECM flashes the amber CHECK ENGINE lamp, indicating a maintenance condition, immediately after the diagnostic runs and fails.Conditions for Clearing the Fault CodeThe fault code status displayed by INSITE? electronic service tool will change to INACTIVE immediately after the Maintenance Monitor feature has been reset using INSITE? electronic service tool and the diagnostic runs and passes.

The ECM will turn off the amber MAINTENANCE lamp after the diagnostic runs and passes.

The ?Reset All Faults? command in INSITE? electronic service tool can be used to clear active and inactive faults.

Shop TalkThis fault code will only become active if the Maintenance Monitor is enabled in INSITE? electronic service tool. Make sure the oil and filter are changed before clearing the fault code.

Possible Cause:1) ECM calibration