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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 901 (DATA COMMUNICATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICEDIAGNOSTIC FAULT INFORMATION
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Diagnostic Fault Information

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, 2007 Chevrolet RV Cutaway, and 2007 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Scan Tool Does Not Communicate with Class 2 Device

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Class 2 Serial Data 1 21 1 -
Ground (DLC, terminal 5) - 1 - -
1 An open between the data link connector (DLC) and SP 205, or DLC pin 5 ground will only effect the communication with the scan tool. The vehicle modules will still communicate.
  1. No communication on any class 2 serial data module
  2. No communication on a specific class 2 serial data module
RENDER: 1.0x

NO RELATED

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