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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1720 (Seat System - Seats) >> Diagnosis And Testing >> Seats >> Pinpoint Tests >> Pinpoint Test AY: DTC U0155 >> Pinpoint Test AY: DTC U0155

Pinpoint Test AY: DTC U0155

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. AY1 VERIFY CUSTOMER CONCERN 
    • Ignition ON.
    • Verify there is an observable symptom present.
    • Is an observable symptom present? 
    1. Yes  : GO to AY2  .
    2. 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. AY2 CHECK THE COMMUNICATION NETWORK 
    • Enter the following diagnostic mode on the scan tool: Network Test.
    • Carry out the network test.
    • Does the IPC pass the network test? 
    1. Yes  : GO to AY3  .
    2. No  : REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article.
  3. AY3 RETRIEVE THE RECORDED DTCs FROM THE SELF-TEST 
    • Check for recorded DSM DTCs from the self-test.
    • Is DTC B1317 or B1318 recorded? 
    1. Yes  : For DTC B1317, GO to PINPOINT TEST AV .

      For DTC B1318, GO to PINPOINT TEST AW .

    2. No  : GO to AY4  .
  4. AY4 RECHECK THE DSM DTCs 
    NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during Programmable Module Installation (PMI) or the PMI may not have been carried out.
    • Clear the DTCs. Repeat the DSM self-test.
    • Is DTC U0155 still present? 
    1. Yes  : GO to AY5  .
    2. 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.
  5. AY5 CHECK FOR DTC U0155/U0155:00 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 U0155/U0155:00 set in other modules? 
    1. Yes  : INSTALL a new IPC. REFER to INSTRUMENTATION, MESSAGE CENTER & WARNING CHIMES -- FUSION, MILAN & MKZ article.
    2. No  : INSTALL a new DSM. REFER to DRIVER SEAT MODULE (DSM)  in this service information.
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