F2 CHECK THE MOVEABLE ROOF CONTROL MODULE A (MRCMA) AND MOVEABLE ROOF CONTROL MODULE B (MRCMB) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)
Using a diagnostic scan tool, carry out the Moveable Roof Control Module A (MRCMA) and Moveable Roof Control Module B (MRCMB) self-tests. Retrieve and record all Diagnostic Trouble Codes (DTCs) from both modules. Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) from both modules. Ignition OFF. Ignition ON. Using a diagnostic scan tool, carry out the Moveable Roof Control Module A (MRCMA) and Moveable Roof Control Module B (MRCMB) self-tests.
Is DTC U0140:00 retrieved again?
Yes | GO to F3 |
|---|---|
No | GO to F6 |
F3 RETRIEVE ANY DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE GWM (GATEWAY MODULE A) SELF-TEST
Using a diagnostic scan tool, carry out the GWM self-test.
Are any Diagnostic Trouble Codes (DTCs) present in the GWM?
Yes | DIAGNOSE all GWM Diagnostic Trouble Codes (DTCs). REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing). |
|---|---|
No | GO to F4 |
F4 RETRIEVE ANY DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE BCM (BODY CONTROL MODULE) SELF-TEST
Using a diagnostic scan tool, carry out the BCM self-test.
Are any Diagnostic Trouble Codes (DTCs) present in the BCM?
Yes | DIAGNOSE all BCM Diagnostic Trouble Codes (DTCs). REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing). |
|---|---|
No | GO to F5 |
F5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0140:XX SET IN OTHER MODULES
Using the diagnostic scan tool, carry out the self-test for all modules. Retrieve and record the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.
Is DTC U0140:xx set in 1 or more modules in addition to the Moveable Roof Control Module A (MRCMA) or Moveable Roof Control Module B (MRCMB)?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for
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