Pinpoint Test A : The Vehicle Does Not Start
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
This pinpoint test requires a second programmed PATS key. If only one key is available, obtain a second programmed PATS key.
- A1 CHECK THE OPERATION OF THE SECOND PROGRAMMED KEY
- Using the second programmed PATS key, attempt to start the vehicle.
Does the second programmed key start the vehicle?
Yes REPROGRAM the first PATS key. REFER to: Anti-Theft Key Programming - Scan Tool . TEST the system for normal operation. If the concern is still present, DISCARD the PATS key in question and program a new PATS key. REFER to: Anti-Theft Key Programming - Scan Tool . No GO to A2 - A2 CHECK FOR COMMUNICATION WITH THE PCM (POWERTRAIN CONTROL MODULE) AND THE BCM (BODY CONTROL MODULE)
- Ignition ON.
- Using a diagnostic scan tool, carry out the network test.
Does the PCM and the BCM pass the network test?
Yes GO to A3 No REFER to: Communications Network . - A3 CHECK IF THE ENGINE CRANKS
- Attempt to start the engine.
Does the engine crank?
Yes The no-start condition is not PATS-related. Refer to Engine Controls - Introduction (Except Diesel & Hybrid) or Engine Controls - Introduction (Diesel) . No GO to A4 - A4 CHECK FOR PCM (POWERTRAIN CONTROL MODULE) AND BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, carry out the PCM and the BCM self-tests.
Are any PCM or BCM Diagnostic Trouble Codes (DTCs) present?
Yes REFER to PCM DTC Chart or BCM DTC Chart . No DIAGNOSE the starting system. REFER to the Diagnosis and Testing in the appropriate Starting System information .