Pinpoint Test Aw : DTC U0140:00

AW1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify that there is an observable symptom present.

Is an observable symptom present?

Yes	GO to AW2.
No	The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AW2 CHECK THE COMMUNICATION NETWORK

Using a scan tool, perform a network test.

Does the BCM pass the network test?

Yes	GO to AW3.
No	REFER to Module Communications Network , The Body Control Module (BCM) Does Not Respond To The Scan Tool.

AW3 RETRIEVE THE RECORDED DTCs FROM THE BCM SELF-TEST

Using a scan tool, perform the BCM self-test.

Are any DTCs recorded?

Yes	REFER to the BCM DTC Chart in Multifunction Electronic Modules .
No	GO to AW4.

AW4 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST

Using a scan tool, perform the IPC self-test.

Is DTC U3003:16 or DTC U3003:17 recorded?

Yes	For DTC U3003:16, GO to Pinpoint Test BF . For DTC U3003:17, GO to Pinpoint Test BG .
No	GO to AW5.

AW5 RECHECK THE IPC DTCs

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

Using a scan tool, clear the DTCs.

Wait 10 seconds.

Repeat the IPC self-test.

Is DTC U0140:00 still present?

Yes	GO to AW6.
No	The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AW6 CHECK FOR DTC U0140:00 SET IN OTHER MODULES

Using a scan tool, clear all DTCs.

Ignition OFF.

Ignition ON.

Wait 10 seconds.

Using a scan tool, perform self-test.

Retrieve the continuous memory DTCs from all modules.

Is DTC U0140:00 set in the ABS module, APIM or the RCM ?

Yes	INSTALL a new BCM. REFER to Multifunction Electronic Modules .
No	INSTALL a new IPC. REFER to Instrument Panel Cluster (IPC) .