Park Assist Module (PAM)

U0423-00-IMPLAUSIBLE DATA RECEIVED FROM CLUSTER/CCN

For a complete wiring diagram, refer to the Wiring Information.

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

- Set Condition:
Incorrect ignition status received from the Cluster





1. CHECK FOR ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read Park Assist Module DTCs.

Does the scan tool display this DTC as 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 chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. CLUSTER IS ACTIVE ON THE CAN C INTERIOR BUS
1. With the scan tool, select ECU View.
2. Verify that the Cluster is active on the bus.

Is the Cluster active on the bus?

Yes

- Go To 3

No

- and perform the No Response from Cluster/CCN diagnostic procedure No Response From CCN (Cluster).
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. DTCS STORED OR ACTIVE IN THE CLUSTER
1. Check for Ignition Switch DTCs in the Cluster.

Are any DTCs active or stored in the Cluster?

Yes

- Testing and Inspection and perform the appropriate diagnostic procedure.

No

- Go To 4

4. ACTIVE DTCS IN THE TIPM
1. With the scan tool, select ECU View and select TIPM.
2. With the scan tool, read active DTCs.

Are any Communication DTCs active in the TIPM?

Yes

- Testing and Inspection and perform the appropriate diagnostic procedure.

No

- Replace and program the Park Assist Module. Park Assist Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.