G6 V6-3.6L (2007)
Step 19
The numbers below refer to the step numbers on the diagnostic table.
2. A partial malfunction in the high speed GMLAN serial data circuits uses a different procedure from a total malfunction of the high speed GMLAN
data circuits. Refer to Data Link References to identify which modules communicate on the high speed GMLAN serial data circuits. See: Data
Link Connector/Testing and Inspection
3. The DTC U2100 may be retrieved with a history status, but is not the cause of the present condition.
8. Data link connector terminals 6 and 14 provide the connection to the GMLAN serial data high circuit and the GMLAN serial data low circuit
respectively.
17. The communication malfunction may have prevented diagnosis of the customer complaint.
