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Pinpoint Test Bf: DTC U0100:00

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. BF1 VERIFY THAT THE SCAN TOOL CAN COMMUNICATE WITH THE PCM 
    • Connect the scan tool.
    • Check that a vehicle session can be established using the scan tool.
    • Can a vehicle session be established? 
  2. BF2 CHECK THE IPC CONTINUOUS MEMORY DTCs 
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: IPC  Self-Test.
    • Clear the DTCs. Repeat the IPC  self-test.
    • Is DTC U0100:00 retrieved again? 
    • Yes  : GO to BF3.
    • 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.
  3. BF3 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST 
    • Check for recorded DTCs from the IPC  self-test.
    • Is DTC U3003:16 or DTC U3003:17 recorded? 
  4. BF4 CHECK FOR DTC U0100:00 SET IN OTHER MODULES 
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: Self-Test.
    • Retrieve the continuous memory DTCs from all modules.
    • Is DTC U0100:00 set in the Restraints Control Module (RCM)? 
    • No  : INSTALL a new PCM. Refer to the appropriate Electronic Engine Control article for the procedure. TEST the system for normal operation.
    • No  : INSTALL a new IPC  . REFER to INSTRUMENT PANEL CLUSTER (IPC)  in this service information. TEST the system for normal operation.
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