Diagnostic Routine AG
Diagnostic Routine AG
Diagnostic Overview
DTC U0140:87
Normal Operation and Fault Conditions
DTC Fault Trigger Conditions
Pinpoint Test
1. VERIFY CUSTOMER CONCERN
1. Ignition ON.
2. Verify that 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 BCM (Body Control Module) pass the network test?
3. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE SELF-TEST
1. Check for recorded FLM (Front Lighting Control Module) DTCs (Diagnostic Trouble Codes) from the self-test.
Is DTC (Diagnostic Trouble Code) B11D9:16 or DTC (Diagnostic Trouble Code) B11D9:17 recorded?
4. CHECK FOR DTCs (Diagnostic Trouble Codes) U3003:16 AND U3003:17 FROM THE BCM (Body Control Module) SELF-TEST
1. Using a scan tool, retrieve the continuous memory DTCs (Diagnostic Trouble Codes) from the BCM (Body Control Module).
Is DTC (Diagnostic Trouble Code) U3003:16 or DTC (Diagnostic Trouble Code) U3003:17 recorded?
5. RECHECK THE FLM (Front Lighting Control Module) DTCs (Diagnostic Trouble Codes)
NOTE: If new modules were installed prior to the DTC (Diagnostic Trouble Code) being set, the module configuration may be incorrectly set during PMI (Programmable Module Installation) or the PMI (Programmable Module Installation) may not have been carried out.
1. Using a scan tool, clear the DTCs (Diagnostic Trouble Codes). Repeat the FLM (Front Lighting Control Module) self-test.
Is DTC (Diagnostic Trouble Code) U0140:87 still present?
6. CHECK FOR DTC (Diagnostic Trouble Code) U0140:87 OR DTC (Diagnostic Trouble Code) U0140 OTHER MODULES
1. Using a scan tool, clear all DTCs (Diagnostic Trouble Codes).
2. Ignition OFF.
3. Ignition ON.
4. Wait 10 seconds.
5. Using a scan tool, retrieve the continuous memory DTCs (Diagnostic Trouble Codes) from all modules.
Is DTC (Diagnostic Trouble Code) U0140:87 or DTC (Diagnostic Trouble Code) U0140 set in any other module?
