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Pinpoint Test CZ: U300A:64

  1. DTC Fault Trigger Conditions 
    DTC Description Fault Trigger Condition
    IPC U300A:64 Ignition Switch: Signal Plausibility Failure Sets in continuous memory when the IPC detects a messaged start input for 15 seconds or longer. Once the fault condition is detected, the IPC operates with limited functionality for 15 seconds then returns to full functionality.

    Possible Sources 

    • Ignition concern
    • Starting system concern
    • IPC

  2. CZ1 RETRIEVE IPC (INSTRUMENT PANEL CLUSTER) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Ignition ON.

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

    • Wait 10 seconds.

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

    Is U300A:64 recorded? 

    Yes  DIAGNOSE ignition concerns. REFER to: Steering Wheel and Column Electrical Components . DIAGNOSE starting system concerns. REFER to the appropriate Starting System article .
    No  The system is operating correctly at this time.
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