Ford 980 PCM transmission fluid pressure control open driver circuit during the KOEO test

How to read it

Code 980 reads as 9 flashes, pause, 8 flashes, pause, 0 flashes on the check-engine light. Jumper the self-test input to signal return at the test connector, then run the key on engine off self test and the running self test, counting the check-engine flashes each time.

What does Ford code 980 mean?

PCM transmission fluid pressure control open driver circuit during the KOEO test

Common causes of 980

• Faulty transmission fluid pressure control
• Open or shorted wiring in the transmission fluid pressure control circuit
• Corroded or loose connector at the transmission fluid pressure control
• Blown fuse or poor ground for the transmission fluid pressure control
• Faulty PCM output driver for the transmission fluid pressure control circuit

How to fix 980

1. Confirm the code and read the flash sequence again
2. Inspect the transmission fluid pressure control and its wiring for damage and corrosion
3. Test the transmission fluid pressure control circuit for power and ground
4. Repair wiring, a fuse or a ground before replacing parts
5. Replace the transmission fluid pressure control only after the circuit test fails

Source

Qualified source review