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System Tests: Notes

NOTE: Do not replace BCM unless a DTC remains current after all DTC repairs have been performed. Do not replace BCM if only history DTCs are set.
NOTE: To identify and locate components, see COMPONENT LOCATIONS . For wiring and connector terminal identification, see WIRING DIAGRAMS .
SYMPTOM INDEX

Symptom Perform Test
Scan Tool Does Not Communicate With Class 2 Device A 
Scan Tool Inoperative B