Diesel Data: Automotive Repair

Turning Ignition Switch To On, D3 Indicator Comes On/Stays On In All Shift Lever Positions, Or it Never Comes On at All




When you turn the ignition switch to ON (II), the D3 indicator comes on and stays on in all shift lever positions, or it never comes on at all

Gauge control module defective

PCM defective

F-CAN communication line error

Notes

Check the indicator drive circuit in the gauge control module by using the gauge control module self-diagnostic function Initial Inspection and Diagnostic Overview.

Notes

Check for a short or an open in F-CAN wires between PCM and gauge control module.