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.
QA16 REFLASH THE PCM
• Reprogram or update the PCM calibration. Refer to Section 2, Flash Electrically Erasable Programmable Read Only Memory (EEPROM), Programming the VID Block for a Replacement PCM.
• Road test the vehicle.
• Carry out the PCM self-test.
• Verify the concern is still present.
Is the concern still present?
Yes | No |
|---|---|
For Fiesta and Focus with DTC U1013, INSTALL a new TCM. REFER to the Workshop Manual Section 307-01, Automatic Transmission. Clear the PCM DTCs. REPEAT the self-test. For DTC U1012, REPROGRAM or UPDATE the ABS Calibration. REFER to the Workshop Manual Section 418-01, Module Configuration. Clear the PCM DTCs. REPEAT the self-test. For all others, REPROGRAM or UPDATE the TCM Calibration. REFER to the Workshop Manual Section 418-01, Module Configuration. Clear the PCM DTCs. REPEAT the self-test. | The system is operating correctly at this time. |
QA17 CHECK FOR CORRECT PCM OPERATION
• Disconnect all the PCM connectors.
• Visually inspect for:
◾ pushed out pins ◾ corrosion
• Connect all the PCM connectors and make sure they seat correctly.
• Carry out the network test and verify the concern is still present.
• Carry out the PCM self-test.
• Verify the concern is still present.
Is the concern still present?
Yes | No |
|---|---|
INSTALL a new PCM. REFER to Section 2, Flash Electrically Erasable Programmable Read Only Memory (EEPROM), Programming the VID Block for a Replacement PCM. | The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. |
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.