4.
Is the DTC erased ?
YES
a.
Substitute with a known-good ADM and check for proper operation.
If the problem is corrected, replace ADM and then go to "Verification of Vehicle Repair" procedure.
NO
a.
Go to "Check BCM" procedure.
Connect scantool to Data Link Connector(DLC).
Ignition "ON" & engine "OFF".
Substitute with a known-good ADM and Check if the DTC is erased.
Is the DTC erased ?
YES
Substitute with a known-good ADM and check for proper operation.
If the problem is corrected, replace ADM and then go to "Verification of Vehicle Repair" procedure.
NO
Go to "Check BCM" procedure.
Connect scantool to Data Link Connector(DLC).
Ignition "ON" & engine "OFF".
Substitute with a known-good BCM and Check if the DTC is erased.
Is the DTC erased ?
YES
Substitute with a known-good BCM and check for proper operation.
If the problem is corrected, replace BCM and then go to "Verification of Vehicle Repair" procedure.
NO
Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
