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Home >> Audi >> 2010 >> A4 2.0T >> Repair and Diagnosis >> External Pages >> Different car >> Section 749 (Supplemental Restraint System) >> Diagnosis And Testing >> Airbag and Safety Belt Pretensioner Supplemental Restraint System (SRS) >> Pinpoint Test >> Pinpoint Test Y : DTC U2300:55 And U2300:64 >> Pinpoint Test Y : DTC U2300:55 And U2300:64

Pinpoint Test Y : DTC U2300:55 And U2300:64

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: SRS components should only be disconnected or reconnected when instructed to do so within a pinpoint test step. Failure to follow this instruction may result in incorrect diagnosis of the SRS.
NOTE: Always make sure the correct SRS component is being installed. Parts released for other vehicles may not be compatible even if they appear physically similar. Check the part number listed in the Ford parts catalog or equivalent to make sure the correct component is being installed. If an incorrect SRS component is installed, DTCs may set.
NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.

  1. Y1 RETRIEVE RCM DTCs

    • WARNING: Before beginning any service procedure, refer to Safety Warnings in Service Information

      REFER to Safety Belt and SRS Health and Safety Precautions in Description and Operation in Service Information .

    • Ignition ON.
    • Using a diagnostic scan tool, perform RCM self-test to retrieve DTCs.
    • Record the RCM DTCs that were retrieved during the self-test.

    Is DTC U2300:55 or U2300:64 retrieved on-demand? 

    Yes  GO to  Y2.
    No  If DTC U2300:55 or U2300:64 is retrieved as a CMDTC, CLEAR the RCM DTCs and REPEAT the self-test. If DTC U2300:55 or U2300:64 does not return, RELEASE the vehicle to the customer. If DTC U2300:55 or U2300:64 returns on-demand, GO to  Y2.

  2. Y2 CHECK FOR THE CORRECT BCM

    • Using the Log Viewer function of the diagnostic scan tool, retrieve and record the BCM part number.
    • Check the recorded part number against the number listed in the Ford parts catalog.

    Does the recorded part number match the number listed in the Ford parts catalog? 

    Yes  GO to  Y3.
    No  INSTALL the correct BCM. REFER to Multifunction Electronic Modules and CARRY OUT PMI using As-Built data. GO to  Y4.

  3. Y3 CHECK FOR THE CORRECT RCM

    • Using the Log Viewer function of the diagnostic scan tool, retrieve and record the RCM part number.
    • Check the recorded part number against the number listed in the Ford parts catalog.

    Does the recorded part number match the number listed in the Ford parts catalog? 

    Yes  CARRY OUT PMI for the BCM using As-Built data. CLEAR the DTCs and REPEAT the RCM self-test. If DTC U2300:55 or U2300:64 are retrieved, CARRY OUT PMI for the RCM using As-Built data and GO to  Y4.
    No  INSTALL the correct RCM. REFER to Restraints Control Module (RCM)  and CARRY OUT PMI using As-Built data. GO to  Y4.

  4. Y4 CHECK FOR ADDITIONAL RCM OR BCM DTCs

    • Ignition ON.
    • Using a diagnostic scan tool, perform RCM self-test to retrieve DTCs.
    • Using a diagnostic scan tool, perform BCM self-test to retrieve DTCs.

    Were any DTCs retrieved from the RCM or BCM during self-test? 

    Yes  If RCM DTCs were retrieved, do not clear any DTCs until all DTCs have been resolved. GO to the RCM DTC Chart for pinpoint test direction. If BCM DTCs were retrieved, GO to the BCM DTC Chart in Multifunction Electronic Modules to diagnose the BCM.
    No  CLEAR all CMDTCs. PROVE OUT the SRS. The repair is complete. RETURN the vehicle to the customer.
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