1630 Drive Authorization System Communication Error With EIS (CGW): Notes

For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .

• When Monitored: 

  Ignition on.

• Set Condition: 

  The ECM lost communication over the CAN Bus circuit with the EIS. The circuit is continuously monitored.

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Engine Control (ECM) - Standard Procedure  . 

Refer to  DTC-Based Diagnostics/MODULE, Engine Control (ECM) - Standard Procedure  for diagnostic procedures and for further possible causes.