475C

475C-MISSING CAN MESSAGE FROM EIS(CGW)

For a complete wiring diagram Refer to the Wiring Information Electrical Diagrams.

- When Monitored:
With the ignition on.

Battery voltage between 10 and 16 volts.

IOD fuse installed.

EIS (CGW) is configured correctly.

- Set Condition:
Bus messages not received from the EIS (CGW) for approximately 2 to 5 seconds.





1. VERIFY DTC IS ACTIVE

NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.

1. With the scan tool, read active DTCs.

Is this DTC active?

Yes

- Go To 2

No

- Refer to the Stored Lost Communication test procedure. Stored Lost Communication DTCs.

2. CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
1. With the scan tool, read active DTCs from all modules.

NOTE: Check for EIS (CGW) configuration, CAN C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs.

Does the scan tool display any active DTCs to the conditions listed above?

Yes

- Diagnose and repair the DTC.

No

- Go To 3

3. VERIFY THAT THE EIS (CGW) IS ACTIVE ON THE BUS
1. Turn the ignition on.
2. With the scan tool, select Network Diagnostics.
3. Verify that the EIS (CGW) is active on the bus.

Is the EIS (CGW) active on the bus?

Yes

- Go To 4

No

- Refer to the No Response test procedure. Communications - Verbose Codes.

4. CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS
1. With the scan tool, select Network Diagnostics.

Is there more than one module with active DTCs "Logged Against" the EIS (CGW)?

Yes

- Replace/update the Electronic Ignition Switch (CGW) Module.
- Perform the BODY VERIFICATION TEST. Verification Tests.

No

- Replace/update the module that set this DTC.
- Perform the appropriate VERIFICATION TEST. Verification Tests