Normal Operation

• DTC U0100:00 (Lost Communication With ECM/PCM "A": No Sub Type Information) - this DTC sets if the brake pedal position switch, and traction control messages that should be received from the ECM/PCM are missing for 5 seconds or longer.

This pinpoint test is intended to diagnose the following: 

• Wiring, terminals or connectors
• PCM
• ABS module