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Home >> Ford >> 2021 >> Transit-250 Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Electronic Engine Controls - 3.5L ECOBOOST (235KW/320PS)) >> Diagnosis And Testing >> Electronic Engine Controls >> Pinpoint Tests >> Pinpoint Test J: P166A

Pinpoint Test J: P166A

WARNING: This page is about a different variant/trim than selected.
  1. Normal Operation and Fault Conditions 

    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. J1 DIAGNOSE THE CONCERN USING THE ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID) (POWERTRAIN CONTROL/EMISSIONS DIAGNOSIS) ARTICLE

    Did the diagnosis in ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID) instruct to install a new BCM? 

    Yes  REFER to: Body Control Module (BCM) .
    No  The concern was resolved using the ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID) pinpoint test.
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