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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1240 (Tire Pressure Monitoring System (TPMS)) >> Diagnosis And Testing >> Tire Pressure Monitoring System (TPMS) >> Pinpoint Tests >> Pinpoint Test H : U0146:00 >> Pinpoint Test H : U0146:00

Pinpoint Test H : U0146:00

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  1. H1 CHECK THE COMMUNICATION NETWORK

    • Ignition ON.

    • Using a diagnostic scan tool, carry out the Network Test.

    Does the GWM pass the Network Test? 

    Yes  GO to  H2
    No  DIAGNOSE the GWM does not respond to the scan tool, REFER to: Communications Network .

  2. H2 RECHECK THE RTM (RADIO TRANSCEIVER MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, clear the RTM Diagnostic Trouble Codes (DTCs).

    • Ignition OFF.

    • Ignition ON.

    • Using a diagnostic scan tool, carry out the RTM self-test.

    Is DTC U0146:00 retrieved again? 

    Yes  GO to  H3
    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. H3 RETRIEVE ALL DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE GWM (GATEWAY MODULE A)

    • Using a diagnostic scan tool, carry out the GWM self-test.

    Are any Diagnostic Trouble Codes (DTCS) present in the GWM? 

    Yes  DIAGNOSE the GWM Diagnostic Trouble Codes (DTCS). REFER to: Communications Network .
    No  GO to  H4

  4. H4 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0146:00 SET IN OTHER MODULES

    • Using a diagnostic scan tool, carry out the self-test to retrieve all Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

    Is DTC set in 1 or more modules in addition to the RTM? 

    Yes  CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no TSB address this concern, INSTALL a new GWM. REFER to: Gateway Module A (GWM) .
    No  CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no TSB address this concern, INSTALL a new RTM. REFER to: Radio Transceiver Module (RTM) .
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