Normal Operation

• DTC U3003:17 (Battery Voltage: Circuit Voltage Above Threshold) - sets as a continuous memory and on-demand DTC if the Cruise-Control Module (C-CM) detects high battery voltage above 16.5 volts on circuit SBB13 (GY/RD).

This pinpoint test is intended to diagnose the following: 

• Charging system concern
• C-CM