A1 VERIFY THE CUSTOMER CONCERN
Is an observable symptom present?
Yes | GO to A2 |
|---|---|
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. CLEAR the DTC. |
A2 CHECK THE COMMUNICATION NETWORK
Ignition ON. Using a diagnostic scan tool, perform a network test.
Does the BCM pass the network test?
Yes | GO to A3 |
|---|---|
No | DIAGNOSE no communication with the BCM. REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing). |
A3 CHECK THE BCMB (BODY CONTROL MODULE B) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)
Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Using a diagnostic scan tool, check the BCMB Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Is DTC U3003:62 recorded?
Yes | GO to Pinpoint Test C |
|---|---|
No | GO to A4 |
A4 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE BCM (BODY CONTROL MODULE) SELF-TEST
Using a diagnostic scan tool, perform the BCM self-test.
Is there any DTC recorded?
Yes | REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing). |
|---|---|
No | GO to A5 |
A5 RECHECK THE BCMB (BODY CONTROL MODULE B) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)
Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Using a diagnostic scan tool, check the BCM Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Is DTC U0140:87 still present?
Yes | GO to A6 |
|---|---|
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. |
A6 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0140 SET IN OTHER MODULES
Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Ignition OFF. Ignition ON. Wait 10 seconds. Using a diagnostic scan tool, retrieve all Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Is DTC U0140 set in any other module?
Yes | GO to A7 |
|---|---|
No | GO to A8 |
A7 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.