OBD-I Codes List

Ford 57 Transaxle neutral position switch circuit failed open

Make
Ford (1981-1995)
Category
Powertrain - Transmission
Severity
Check Engine Light

How to read it

Code 57 reads as 5 flashes, pause, 7 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.

New to flash codes? The How to Read Ford EEC-IV Self-Test Codes walks through the test and what the numbers mean. The general OBD-I guide covers the rest.

What does Ford code 57 mean?

Transaxle neutral position switch circuit failed open

Common causes of 57

  • Faulty neutral position switch
  • Open circuit in the switch wiring
  • Misadjusted switch
  • Corroded connector
  • PCM input fault

How to fix 57

  1. Confirm the code and check the switch adjustment
  2. Inspect the switch wiring and connector for an open circuit and corrosion
  3. Test the switch for the correct state in each gear position
  4. Repair wiring before replacing the switch
  5. Replace the switch only after the circuit test fails

Source

Source review recorded

Sources and review

Review: checked against the recorded source material.

Last updated 2026-09-25.

Report a correction for 57. Include your vehicle, the issue and a source if you have one.