Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.
HX49 CHECK FOR THE PRESENCE OF ANY MODULE COMMUNICATION CONCERNS
• Ignition ON, engine OFF.
• Check for self-test DTCs in all of the vehicle modules.
Are any communication concerns or communication DTCs present?
Yes | No |
|---|---|
For communication concerns in the PCM, DISREGARD the current diagnostic trouble code (DTC) at this time. DIAGNOSE the next DTC. GO to Section 4, Diagnostic Trouble Code (DTC) Charts and Descriptions. For communication concerns in other modules, REFER to the applicable Workshop Manual Section to diagnose the communication DTC. | GO to HX50 . |
HX50 CHECK THE PERFORMANCE OF THE PROCESSOR
• Ignition OFF.
• Disconnect the battery and wait for 1 minute. Refer to the Workshop Manual Section 414-01, Battery, Mounting and Cables.
• Connect the battery.
• Ignition ON, engine running.
• Allow the engine idle to stabilize.
• Access the PCM and monitor the FTP (VOLT) PID.
Is the voltage between 2.1 - 2.9 V?
Yes | No |
|---|---|
GO to HX52 . | GO to HX51 . |
HX51 CHECK FOR SELF-TEST DTC P260F
• Idle the engine for 2 minutes.
• Carry out the PCM self-test.
Is DTC P260F present?
Yes | No |
|---|---|
GO to HX52 . | RETURN the vehicle to the customer. |
HX52 CHECK THE PCM FOR THE LATEST CALIBRATION
• Program the PCM to the latest calibration.
• Ignition ON, engine running.
• Idle the engine for 2 minutes.
• Carry out the PCM self-test.
Is DTC P260F present?
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.