Pinpoint Test BA : DTC U0140:00
- BA1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that there is an observable symptom present.
Is an observable symptom present?
Yes GO to BA2. 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. - BA2 CHECK THE COMMUNICATION NETWORK
- Using a scan tool, perform a network test.
Does the BCM pass the network test?
Yes GO to BA3. No REFER to Module Communications Network , The Body Control Module (BCM) Does Not Respond To The Scan Tool. - BA3 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 BA4. - BA4 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 BJ .For DTC U3003:17, GO to Pinpoint Test BK . No GO to BA5. - BA5 RECHECK THE IPC DTCsNOTE: 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 BA6. 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. - BA6 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 Refer to: BCM Hardware Testing . No