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Pinpoint Test E: Transmission Control Indicator Lamp (TCIL) Stays Illuminated

WARNING: This page is about a different car, the 2004 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
  1. E1 CYCLE THE TRANSMISSION CONTROL SWITCH (TCS) 
    • Key in ON position.
    • Cycle the TCS.
    • Does the transmission control indicator lamp (TCIL) illuminate and then go off? 
    1. Yes  : OK at this time. Concern may be intermittent.
    2. No  : GO to E2.
  2. E2 CHECK CIRCUIT 911 (WH/LG) FOR A SHORT TO GROUND 
    • Key in OFF position.
    • Disconnect: Powertrain Control Module (PCM).
    • Key in ON position.
    • Does the TCIL remain on? 
    1. Yes  : REPAIR Circuit 911 (WH/LG). REMOVE 104-Pin Breakout Box.

      RECONNECT all components. TEST the system for normal operation.

    2. No  : CARRY OUT on-board diagnostics. If DTCs are present, repair as required. If the condition remains after DTCs are repaired, INSTALL a new PCM. If no DTCs are present, INSTALL a new PCM. TEST the system for normal operation.
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