Pinpoint Test At: DTC U0100:00

WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

AT1 VERIFY THE SCAN TOOL CAN COMMUNICATE WITH THE PCM
- Connect the scan tool.
- Make sure a vehicle session can be established using the scan tool.
- Can a vehicle session be established?
  - Yes : GO to AT2.
  - No : REFER to MODULE COMMUNICATIONS NETWORK to diagnose no communication with the PCM.
AT2 CHECK THE IPC CONTINUOUS MEMORY DTCs
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: IPC Self-Test.
- Clear the DTCs.
- Wait 10 seconds.
- Repeat the IPC self-test.
- Is DTC U0100:00 retrieved again?
  - Yes : GO to AT3.
  - 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.
AT3 RETRIEVE THE RECORDED DTCs FROM THE PCM KOEO SELF-TEST
- Check for recorded DTCs from the PCM Key ON Engine OFF (KOEO) self-test.
- Is DTC P0562 or P0563 recorded?
  - Yes : REFER to ELECTRONIC ENGINE CONTROLS .
  - No : GO to AT4.
AT4 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?
  - Yes : For DTC U3003:16, GO to Pinpoint Test BD .
    For DTC U3003:17, GO to Pinpoint Test BE .
  - No : GO to AT5.
AT5 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 U0100:87 set in the Remote Function Actuator (RFA) module (if equipped) or DTC U0100:00 in the Restraints Control Module (RCM)?
  - Yes : INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS . TEST the system for normal operation.
  - No : INSTALL a new IPC. REFER to Instrument Panel Cluster (IPC) . TEST the system for normal operation.