Milan FWD V6-3.0L (2010)
4. NOTE: Make sure to use the latest scan tool software release.
If the cause is not visually evident, connect the scan tool to the DLC.
5. NOTE: The Vehicle Communication Module (VCM) LED prove-out confirms power and ground to the VCM.
If the scan tool does not communicate with the VCM:
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check the VCM connection to the vehicle.
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check the scan tool connection to the VCM.
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refer to Information Bus, No Power to the Scan Tool, to diagnose no power to the scan tool.
6. If the scan tool does not communicate with the vehicle:
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verify the ignition is ON.
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verify the scan tool operation with a known good vehicle.
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refer to Information Bus to diagnose no response from the PCM.
7. Carry out the Network Test.
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If the scan tool responds with no communication with one or more modules, refer to Information Bus.
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If the Network Test passes, retrieve and record the continuous memory DTCs.
8. Clear the continuous memory DTCs and carry out the self-test diagnostics for the DC/DC and PCM.
9. If the DTCs retrieved are related to this concern, go to the DC to DC Converter Control Module (DC/DC) DTC Chart or the PCM DTC Chart.
See: Diagnostic Trouble Code Descriptions
10. If no DTCs related to the concern are retrieved, GO to Symptom Chart - DC/DC Converter Control Module (DC/DC) System. See: Symptom
Related Diagnostic Procedures/Symptom Chart - DC To DC Converter Control Module (DC/DC) System
DC/AC Inverter System
High-Voltage Converter/Inverter
Inspection and Verification - DC/AC Inverter System
1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection Chart
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the cause is not visually evident, verify the symptom and GO to Symptom Chart - DC/AC Inverter System. See: Symptom Related Diagnostic
Procedures/Symptom Chart - DC/AC Inverter System
