LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2019 >> Mustang EcoBoost Premium, 2D Convertible, Standard Trans >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Handles, Locks, Latches And Entry Systems >> Diagnosis And Testing >> Locks, Latches and Entry Systems >> Pinpoint Tests >> Pinpoint Test P : An Individual Button/Feature Is Inoperative From The RKE (Remote Keyless Entry) Transmitter >> Pinpoint Test P : An Individual Button/Feature Is Inoperative From The RKE (Remote Keyless Entry) Transmitter
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Pinpoint Test P : An Individual Button/Feature Is Inoperative From The RKE (Remote Keyless Entry) Transmitter

  1. P1 VERIFY THE DOOR LOCK OPERATION

    • Press the lock and unlock button on the door lock control switch while observing the door lock operation.

    Do the door locks operate? 

    Yes  GO to  P2
    No  GO to Pinpoint Test H 
  2. P2 VERIFY THE HORN OPERATION USING THE BCM (BODY CONTROL MODULE) PID (PARAMETER IDENTIFICATION) (HORN_RELAY)

    • Ignition ON.

    • Using a diagnostic scan tool, view the BCM Parameter Identifications (PIDs).

    • Select the BCM horn PID (HORN_RELAY) and active command the horn on then off.

    Does the horn sound when commanded on? 

    Yes  GO to  P3
    No  REFER to: Horn .
  3. P3 VERIFY THE HAZARD LAMP OPERATION

    • Activate the hazard lamp function.

    Do the hazard lamps operate correctly? 

    Yes  GO to  P4
    No  REFER to: Turn Signal and Hazard Lamps .
  4. P4 VERIFY THE LUGGAGE COMPARTMENT LID LATCH RELEASE OPERATION

    • Ignition OFF.

    • Unlock the doors using the door lock control switch.

    • Press the luggage compartment lid release switch.

    Does the luggage compartment lid latch release? 

    Yes  GO to  P5
    No  GO to Pinpoint Test N 
  5. P5 CHECK THE LOCK AND UNLOCK BUTTONS

    • Press the lock and then unlock button on the suspect passive key.

    Do the doors lock and unlock? 

    Yes  GO to  P6
    No  REPLACE the suspect key. PROGRAM the new key. REFER to: Anti-Theft Key Programming - Scan Tool .
  6. P6 CHECK THE LUGGAGE COMPARTMENT LID RELEASE BUTTON

    • Press the luggage compartment lid release button twice on the suspect passive key.

    Does the luggage compartment lid latch release? 

    Yes  GO to  P8
    No  REPLACE the suspect key. PROGRAM the new key. REFER to: Anti-Theft Key Programming - Scan Tool .
  7. P7 CHECK THE PANIC ALARM/VEHICLE LOCATOR BUTTON

    • Press the panic alarm/vehicle locator on the suspect passive key.

    Do the exterior lamps flash and the horn/chime sound? 

    Yes  If equipped with the factory remote start, GO to  P8 If not equipped with the factory remote start, the RKE transmitter is operating correctly. INFORM the customer of the RKE transmitter operation.
    No  REPLACE the suspect key. PROGRAM the new key. REFER to: Anti-Theft Key Programming - Scan Tool .
  8. P8 VERIFY THE REMOTE START OPERATION

    • Close all the doors, the hood and the luggage compartment lid.

    • NOTE: Each button press must be done within 3 seconds of each other.

      From outside the vehicle using a passive key:

      • Press the door lock button.
      • Press the remote start button twice.

    Does the vehicle remotely start? 

    Yes  The RKE transmitter is operating correctly. INFORM the customner of the RKE transmitter operation.
    No  REPLACE the suspect key. PROGRAM the new key. REFER to: Anti-Theft Key Programming - Scan Tool .