PINPOINT TEST W : The Charging System Message Center Warning Indicator Is Never or Always On: Notes

Diagnostic Overview

Refer to Message Center , Charging System Message Center Warning Indicator.

NOTE: If DTC U0140:00 sets in the IPC, other observable symptoms can be an inoperative speedometer, tachometer or odometer.

Normal Operation and Fault Conditions

If the charging system status message is missing for less than 5 seconds, the charging system message center warning indicator remains in the last indication state (on or off) based on the last known good message received.

If the charging system status message is missing for 5 seconds or longer, the IPC sets DTC U0140:00 in continuous memory and defaults the charging system message center warning indicator on.