FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Chime/Buzzer






U0431-IMPLAUSIBLE DATA RECEIVED FROM FCM

For a complete wiring diagram Refer to Diagrams/Electrical.

- When Monitored:

Park Assist Module supply voltage between 9-16 volts. Ignition in Run/Start.

- Set Condition:

PRNDL = 7h, or vehicle speed greater than 511 km/hr.





Diagnostic Test

1.U0431-IMPLAUSIBLE DATA RECEIVED FROM FCM

Turn the ignition on.

With the scan tool, record and erase Park Assist Module DTCs.

Wait 30 seconds.

With the scan tool, read Park Assist Module DTCs.

Is DTC: U0423-IMPLAUSIBLE DATA RECEIVED FROM CLUSTER/CCN active?

Yes

- Go To 2

No

- The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chaffed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2.U0019-NO COMMUNICATION ON THE CAN B BUS CIRCUIT ALSO ACTIVE

With a scan tool check for DTCs in the FCM.

Is the U0019-NO COMMUNICATION ON THE CAN B BUS CIRCUIT active at this time?

Yes

- Refer to Communications.

- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Replace and program the Park Assist Module according to the Service Information.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test