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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Four Wheel Drive (4WD) Systems -- F250-F550 Super Duty) >> Diagnosis And Testing >> Four Wheel Drive (4WD) Systems - Electronic Shift >> Pinpoint Tests >> Pinpoint Test Y: DTC U0140:00 >> Pinpoint Test Y: DTC U0140:00

Pinpoint Test Y: DTC U0140:00

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  1. Y1 VERIFY THE CUSTOMER CONCERN 
    • Ignition ON.
    • Verify there is an observable symptom present.
    • Is an observable symptom present? 
    • Yes  : GO to Y2.
    • No  : The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
  2. Y2 CHECK THE COMMUNICATION NETWORK 
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: Network Test.
    • Carry out the network test.
    • Does the BCM pass the network test? 
  3. Y3 RETRIEVE THE RECORDED DTCs FROM THE BCM SELF-TEST 
    • Check for recorded DTCs from the BCM self-test.
    • Is DTC U3003:16 or DTC U3003:17 recorded? 
  4. Y4 RETRIEVE THE RECORDED DTCs FROM THE TCCM SELF-TEST 
    • Check for recorded DTCs from the TCCM self-test.
    • Is DTC P0562:00 or P0563:00 recorded? 
  5. Y5 RECHECK THE TCCM DTCs 
    NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during the Programmable Module Installation (PMI) or the PMI may not have been carried out.
    • Clear the DTCs.
    • Wait 10 seconds.
    • Repeat the TCCM self-test.
    • Is DTC U0140:00 still present? 
    • Yes  : GO to Y6.
    • 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.
  6. Y6 CHECK FOR DTC U0140 OR DTC U0140:00 SET IN OTHER MODULES 
    • Clear all DTCs.
    • Ignition OFF.
    • Ignition ON.
    • Wait 10 seconds.
    • Enter the following diagnostic mode on the scan tool: Self-Test.
    • Retrieve the continuous memory DTCs from all modules.
    • Is DTC U0140 or U0140:00 set in more than one module? 
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