Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

• Scan Tool Does Not Power Up 
• Scan Tool Does Not Communicate with High Speed GMLAN Device 
• Scan Tool Does Not Communicate with Low Speed GMLAN Device 
• Scan Tool Does Not Communicate with Gateway Expansion High Speed GMLAN Device 
• Scan Tool Does Not Communicate with Gateway Isolated High Speed GMLAN Device 
• Scan Tool Does Not Communicate with Gateway Isolated Low Speed GMLAN Device