Normal Operation and Fault Conditions
DTC Fault Trigger Conditions
DTC | Description | Fault Trigger Conditions |
|---|---|---|
U0140:00 Lost Communication With Body Control Module: No Sub Type Information | A continuous memory DTC that sets in the PAM when the PAM is unable to communicate with the BCM for 5 seconds or more. |
Possible Sources
Communication network concern BCM PAM (integral to the BCM)
PINPOINT TEST I : DTC (DIAGNOSTIC TROUBLE CODE) U0140:00
I1 VERIFY THE CUSTOMER CONCERN
Ignition ON. Verify there is an observable symptom present.
Is an observable symptom present?
Yes | GO to I2 |
|---|---|
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. |
I2 CHECK THE COMMUNICATION NETWORK
Using a diagnostic scan tool, perform the network test.
Does the BCM pass the network test?
Yes | GO to I3 |
|---|---|
No | REFER to: Communications Network (418-00 Module Communications Network) . |
I3 PERFORM THE BCM (BODY CONTROL MODULE) SELF-TEST
Using a diagnostic scan tool, perform the BCM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes | REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing). |
|---|---|
No | GO to I4 |
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.