B222D

B222D - ECU UNABLE TO CONFIGURE / CONFIGURATION NOT LEARNED

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
With the ignition on.

- Set Condition:
The Electronic Overhead Module (CMTC) does not receive the configuration information from the Front Control Module.





Diagnostic Test

1. TEST FOR AN INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase any Electronic Overhead Module (CMTC) DTCs.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the scan tool, read DTCs.
Does the scan tool display: B222D - ECU UNABLE TO CONFIGURE / CONFIGURATION NOT LEARNED?

Yes

- Go To 2

No

- The condition that caused this code to set is not present at this time. Using the wiring diagram as a guide, inspect the wiring and connectors for an intermittent condition. Operate the system several times and recheck for active DTCs.
- Perform the BODY VERIFICATION TEST-VER 1. Body Verification Test

2. VERIFY COMMUNICATION WITH FRONT CONTROL MODULE
With the scan tool in ECU VIEW, read active modules on the bus.
Does the scan tool show the Front Control Module active on the bus?

Yes

- Go To 3

No

- Refer to No Response From FCM (Front Control Module).No Response From FCM (Front Control Module)
- Perform the BODY VERIFICATION TEST-VER 1. Body Verification Test

3. CHECK FRONT CONTROL MODULE FOR ACTIVE DTCs
With the scan tool, erase FCM DTCs.
Turn the ignition off. Wait approximately 10 seconds.
Turn the ignition on.
With the scan tool, read FCM DTCs.
Are any active DTCs present?

Yes

- Diagnose and repair the DTC(s).
- Perform the BODY VERIFICATION TEST-VER 1. Body Verification Test

No

- Replace the Front Control Module.
- Perform the BODY VERIFICATION TEST-VER 1. Body Verification Test