Pinpoint Test Q : U0401: 00, U0402: 00, U0422: 00, U0423: 00, U0557: 00
- Normal Operation and Fault Conditions
REFER to: Parking Aid - System Operation and Component Description .
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition PAM U0401: 00 Invalid Data Received from ECM/PCM A: No Sub Type Information A continuous memory DTC that sets when the PAM receives invalid network data from the PCM with a faulted signal data input. PAM U0402: 00 Invalid Data Received from TCM: No Sub Type Information A continuous memory DTC that sets when the PAM receives invalid network data from the PCM with a faulted signal data input. PAM U0422: 00 Invalid Data Received From Body Control Module: No Sub Type Information A continuous memory DTC that sets when the PAM receives invalid network data from the BCM with a faulted signal data input. PAM U0423: 00 Invalid Data Received from Instrument Panel Cluster Control Module: No Sub Type Information A continuous memory DTC that sets when the PAM receives invalid network data from the IPC with a faulted signal data input. PAM U0557: 00 Invalid Data Received From Front Controls Interface Module "A": No Sub Type Information A continuous memory DTC that sets when the PAM receives invalid network data from the FCIM with a faulted signal data input. Possible Sources
- Suspect module
- Q1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE MODULE SENDING INVALID DATA
- Using a diagnostic scan tool, carry out the self-test for the module in question sending the invalid data.
Are any Diagnostic Trouble Codes (DTCs) present from the module sending the invalid data?
Yes DIAGNOSE the module sending the invalid data. REFER to the appropriate Service Information No DIAGNOSE the observable symptom.