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Inspection and Verification

WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the customer concern.
  2. Visually inspect for obvious signs of electrical damage.
    VISUAL INSPECTION CHART

    Electrical
    • Central junction box (CJB) fuse 12 (20A)
    • Wiring harness
    • Connectors
  3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  4. If the cause is not visually evident, connect the diagnostic tool to the data link connector (DLC) and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
    • check that the program card is correctly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.
  5. If the diagnostic tool still does not communicate with the vehicle, Go to PINPOINT TEST K .
  6. Go to PINPOINT TEST PC .
DIAGNOSTIC TROUBLE CODE CHART

DTC Description Source Action
U0073 CAN BUS Off-Transmit Error ABS Module GO to PINPOINT TEST H .
U0073 CAN BUS Off-Transmit Error Instrument Cluster GO to PINPOINT TEST H .
U1900 CAN Communication BUS Fault-Receive Error ABS Module GO to PINPOINT TEST H .
U1900 CAN Communication BUS Fault-Receive Error Instrument Cluster GO to PINPOINT TEST H .
U1900 CAN Communication BUS Fault-Receive Error Trailer Brake Controller GO to PINPOINT TEST H .
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