DTC Fault Trigger Conditions
DTC | Description | Fault Trigger Conditions |
|---|---|---|
U0142:00 Lost Communication With Body Control Module "B": No Sub Type Information | This DTC sets in the Moveable Roof Control Module A (MRCMA) if the rear window down status message is missing from the BCMB. |
Possible Sources
Wiring, terminals or connectors Network communication concern BCMB
PINPOINT TEST G : U0142:00
G1 CHECK THE COMMUNICATION NETWORK
Ignition ON. Using a diagnostic scan tool, carry out the Network Test.
Does the BCMB pass the Network Test?
Yes | GO to G2 |
|---|---|
No | DIAGNOSE the no communication with the BCMB. REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing). |
G2 CHECK THE MOVEABLE ROOF CONTROL MODULE A (MRCMA) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)
Using a diagnostic scan tool, carry out the Moveable Roof Control Module A (MRCMA) self-test. Retrieve and record all Diagnostic Trouble Codes (DTCs) from the Moveable Roof Control Module A (MRCMA). Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) from the Moveable Roof Control Module A (MRCMA). Ignition OFF. Ignition ON. Using a diagnostic scan tool, carry out the Moveable Roof Control Module A (MRCMA) self-test.
Is DTC U0142:00 retrieved again?
Yes | GO to G3 |
|---|---|
No | GO to G5 |
G3 RETRIEVE ANY DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE BCMB (BODY CONTROL MODULE B) SELF-TEST
Using a diagnostic scan tool, carry out the BCMB self-test.
Are any Diagnostic Trouble Codes (DTCs) present in the BCMB?
Yes | DIAGNOSE all BCMB Diagnostic Trouble Codes (DTCs). REFER to: Body Control Module B (BCMB) (419-10 Multifunction Electronic Modules, Diagnosis and Testing). |
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