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Home >> Ford >> 2021 >> Escape Titanium >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Engine Controls - 2.0L ECOBOOST (177KW/240PS) - Mi4 >> Diagnosis And Testing >> Electronic Engine Controls >> Pinpoint Tests >> Pinpoint Test S: P166A

Pinpoint Test S: P166A

  1. Normal Operation and Fault Conditions 

    REFER to: Engine - Overview .

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    PCM P166A:00 Restraints Deployment Communication Circuit: No Sub Type Information This DTC sets when the PCM detects an open or short in the IES circuit.

    Possible Sources 

    • BCM
    • Wiring, terminals or connectors

  2. S1 DIAGNOSE THE CONCERN USING THE PC/ED (POWERTRAIN CONTROL/EMISSIONS DIAGNOSIS) ARTICLE

    • Diagnose the concern using the PC/ED article pinpoint test.

    Did the diagnosis in PC/ED instruct to install a new BCM? 

    Yes  INSTALL a new BCM. Refer to the appropriate Removal and Installation procedure in Removal And Installation .
    No  Concern was resolved using PC/ED article pinpoint test.
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