Diagnostic Routine CD

Diagnostic Routine CD

Diagnostic Overview

U0257:00

Normal Operation and Fault Conditions

IPC (Instrument Panel Cluster) DTC Fault Trigger Conditions






Pinpoint Test

1. VERIFY THE CUSTOMER CONCERN

1. Ignition ON.

2. Verify there is an observable symptom present.

Is an observable symptom present?







2. CHECK THE COMMUNICATION NETWORK

1. Ignition ON.

2. Using a scan tool, perform the network test.

Does the FCDIM (Front Control/Display Interface Module) pass the network test?







3. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE FCDIM (Front Control/Display Interface Module) SELF-TEST

1. Using a scan tool, retrieve the continuous memory DTCs (Diagnostic Trouble Codes) from the FCDIM (Front Control/Display Interface Module).

Is DTC (Diagnostic Trouble Code) U3003:16 or U3003:17 recorded?







4. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE IPC (Instrument Panel Cluster) SELF-TEST

1. Using a scan tool, perform the IPC (Instrument Panel Cluster) self-test.

Are any DTC (Diagnostic Trouble Code) recorded?







5. RECHECK THE IPC (Instrument Panel Cluster) DTCs (Diagnostic Trouble Codes)

1. NOTE: If new modules were installed prior to the DTC (Diagnostic Trouble Code) being set, the module configuration can be incorrectly set during the PMI (Programmable Module Installation) or the PMI (Programmable Module Installation) may not have been carried out.
Clear the DTCs (Diagnostic Trouble Codes).

2. Wait 10 seconds.

3. Repeat the IPC (Instrument Panel Cluster) self-test.

Is DTC (Diagnostic Trouble Code) U0257:00 still present?