U0447

U0447-IMPLAUSIBLE DATA RECEIVED FROM CENTRAL GATEWAY

For a complete wiring diagram, refer to the wiring information .

- When Monitored:
Continuously with the ignition on, one valid CAN message is received at least once and no U0002-CAN C Bus Off Performance DTC present.

- Set Condition:
When the Automatic Sway-Bar System (ASBS) detects an incorrect CAN message from the Totally Integrated Power Module (TIPM).





1. CHECK FOR DTC U0401-IMPLAUSIBLE DATA RECEIVED FROM TIPM

NOTE: This DTC must be active for the results of this test to be valid.

1. Ignition on, engine not running.
2. With the scan tool, record and erase DTCs.
3. Cycle the ignition switch from off to on.
4. With the scan tool, read DTCs.

Does the scan tool display: U0401-IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM?

Yes

- Go To 2

No

- Perform the ASBS-INTERMITTENT CONDITION TEST. . Testing and Inspection

2. CHECK IF TIPM CAN BUS DTCs ARE PRESENT
1. With the scan tool, read TIPM DTCs.

Are there any TIPM CAN BUS DTCs present?

Yes

- Testing and Inspection Perform the appropriate diagnostic procedure.

No

- Go To 3

3. CHECK IF ENGINE DTCs ARE PRESENT
1. With the scan tool, read Engine DTCs.

Are there any Engine DTCs present?

Yes

- Testing and Inspection Perform the appropriate diagnostic procedure.

No

- Using the schematics as a guide, check the Automatic Sway-Bar System (ASBS) pins, terminals and connectors for corrosion, damage or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Final Drive Control Module (FDCM).
- Perform ASBS-INTERMITTENT CONDITION TEST. . Testing and Inspection