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Home >> Ford >> 2021 >> Explorer Timberline >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Engine Controls - 2.3L ECOBOOST (201KW/273PS) >> Diagnosis And Testing >> Electronic Engine Controls >> Pinpoint Tests >> Pinpoint Test Q : P166A
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Pinpoint Test Q : P166A

  1. Normal Operation and Fault Conditions 

    REFER to: Module Controlled Functions - System Operation and Component Description .

    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. Q1 DIAGNOSE THE CONCERN USING THE ENGINE CONTROLS INFORMATION

    Did the diagnosis in the Engine Controls article instruct to install a new BCM? 

    Yes  Refer to BCM GUIDED ROUTINE .
    No  Concern was resolved using the Engine Controls service information pinpoint test (Refer to Engine Controls - Introduction (Except Diesel & Hybrid) ).