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.
| Possible Causes |
|---|
| CAN B BUS OPEN CONDITION |
| TPM |
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.