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Home >> Ford >> 2022 >> Mustang Mach 1 Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Electronic Engine Controls - 5.2L 32V Ti-VCT - Supercharged) >> 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 

    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. J1 DIAGNOSE THE CONCERN USING THE ENGINE CONTROLS ARTICLE

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

    Yes  INSTALL a new BCM. Refer BODY CONTROL MODULE (BCM) .
    No  Concern was resolved using ENGINE CONTROLS - PINPOINT TESTS (PINPOINT TEST A - PINPOINT TEST H) (EXCEPT DIESEL & HYBRID) or ENGINE CONTROLS - PINPOINT TESTS (PINPOINT TEST HC - PINPOINT TEST Z) (EXCEPT DIESEL & HYBRID) .
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