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Pinpoint Test BR: U3000:54

WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
  1. Normal Operation and Fault Conditions 

    The OCS sensor is internal to the OCSM and cannot be serviced separately. For more information refer to REFER to: Airbag and Seatbelt Pretensioner Supplemental Restraint System (SRS) - System Operation and Component Description .

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    OCSM U3000:54 Control Module: Missing Calibration This DTC sets due to a fault with the OCSM.

    Possible Sources 

    • Incorrect OCS sensor installation
    • OCS sensor damaged
    • Passenger seat damaged.
    • OCSM

    Visual Inspection and Pre-checks 

    • Review recent service history to identify repairs where an incorrect component may have been installed.
    • Inspect passenger seat for recent repairs.

  2. WARNING: Incorrect repair techniques or actions can cause an accidental Supplemental Restraint System (SRS) deployment. Never compromise or depart from these instructions. Failure to precisely follow all instructions could result in serious personal injury from an accidental deployment.
  3. NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may cause damage to the connector.
  4. NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the pinpoint test.
  5. NOTE: Only disconnect or reconnect SRS components when instructed to do so within a pinpoint test step. Failure to follow this instruction may result in incorrect diagnosis of the SRS.
  6. 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 to make sure the correct component is being installed. If an incorrect SRS component is installed, Diagnostic Trouble Codes (DTCs) may set.
  7. NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.

  8. BR1 PERFORM OCS (OCCUPANT CLASSIFICATION SYSTEM) RESET

    • WARNING: Before beginning any service procedure In this article, refer to Safety warnings in General Information. Failure to follow this instruction may result in serious personal injury.

      Using a diagnostic scan tool, perform OCS Reset.

    • Be careful to follow all instructions on the diagnostic scan tool

    Was the OCS Reset successful? 

    Yes  The repair is complete. RETURN the vehicle to the customer.
    No  GO to  BR2

  9. BR2 CHECK THE OCS (OCCUPANT CLASSIFICATION SYSTEM) SENSOR INSTALLATION

    • Ignition OFF.

    • Inspect the passenger seat for damage or incorrect installation. REFER to: Front Seat .

    • Inspect the OCS sensor installation and make sure that the hardware is fully seated and tightened correctly.

    • Inspect the OCS sensor hose for kinks, damage, or improper routing.

    Were any concerns found? 

    Yes  REPAIR as necessary.
    No  GO to  BR3

  10. BR3 RETRIEVE OCS (OCCUPANT CLASSIFICATION SYSTEM) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Ignition ON.

    • Using a diagnostic scan tool, perform OCS self-test.

    Did the DTC return? 

    Yes  INSTALL a new OCS sensor. REFER to: Occupant Classification System (OCS) Sensor - Vehicles With: Multi-Contour Seats . or REFER to: Occupant Classification System (OCS) Sensor - Vehicles Without: Multi-Contour Seats .
    No  The repair is complete. RETURN the vehicle to the customer.
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