Yes | GO to A2 |
|---|---|
No | To diagnose no communication with the BCM, REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing). |
A2 CHECK THE RCM (RESTRAINTS CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)
Ignition ON. Using a diagnostic scan tool, perform RCM self-test. Using a diagnostic scan tool, clear RCM Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Using a diagnostic scan tool, perform RCM self-test.
Is DTC U0140:00 retrieved again?
Yes | GO to A3 |
|---|---|
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. |
A3 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE RCM (RESTRAINTS CONTROL MODULE) SELF-TEST
Check the recorded Diagnostic Trouble Codes (DTCs) from the RCM self-test.
Is DTC U3003:16 or U3003:17 recorded?
Yes | REFER to: Pinpoint Test - DTC: AJ (501-20B Supplemental Restraint System, Diagnosis and Testing). |
|---|---|
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 BCM self-test. Check for recorded Diagnostic Trouble Codes (DTCs) from the BCM self-test.
Is DTC U3003:16 or U3003:17 recorded?
Yes | REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing). |
|---|---|
No | GO to A5 |
A5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0140:00 SET IN OTHER MODULES
Ignition ON. Using a diagnostic scan tool, perform self-test for all modules.
Is DTC U0140:00 set in the ABS Module or in the IPC?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for
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