Description | Fault Trigger Conditions |
|---|---|
U0140:00 Lost Communication With Body Control Module: No Sub Type Information | Set by the ACM, APIM, DACMC, FCDIM, FCIM, and GPSM when network messages are missing from the BCM for more than 5 seconds with the ignition in RUN. |
DTC
Possible Source
BCM
PINPOINT TEST AF : U0140:00
AF1 VERIFY THE CUSTOMER'S CONCERN
Ignition ON. Verify if there is an observable symptom present.
Is an observable symptom present?
Yes | GO to AF2 |
|---|---|
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. |
AF2 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0140:00
Ignition ON. Using a diagnostic scan tool, clear all Continuous Memory Diagnostic Trouble Codes (CMDTCs). Ignition OFF. Ignition ON. Wait at least 10 seconds. Using a diagnostic scan tool, retrieve all Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Is DTC U0140:00 set in the ACM, APIM, DACMC, FCIM, or GPSM?
Yes | GO to AF3 |
|---|---|
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. |
AF3 CHECK THE BCM (BODY CONTROL MODULE) FOR BATTERY VOLTAGE OUT-OF-RANGE DIAGNOSTIC TROUBLE CODES (DTCS)
Using a diagnostic scan tool, perform the BCM self-test.
Are any low or high voltage Diagnostic Trouble Codes (DTCs) recorded in the BCM?
Yes • For DTC U3006:16,
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing). See U3006:16.
• For DTC U3006:17, REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing). See U3006:17.
• For DTC U3006:1C, REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules,
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