59 AXOD neutral position switch failed open or 2-3 shift error

Make
Ford (1981-1995)
Category
Powertrain - Transmission
Severity
Check Engine Light
Applies to
1981-1995 Ford, Lincoln and Mercury EEC-IV vehicles

How to read it

Code 59 reads as 5 flashes, pause, 9 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 OBD-I code reading guide walks through the paperclip method, code 12, and reading two-digit codes.

What does Ford code 59 mean?

59. AXOD neutral position switch failed open or 2-3 shift error. This code sets when your vehicle computer detects axod neutral position switch failed open or 2-3 shift error.

Common causes of 59

How to fix 59

  1. Confirm the code and check the transmission fluid level and condition
  2. Inspect the AXOD switch and solenoid wiring for damage and corrosion
  3. Test the shift solenoid circuit
  4. Service the fluid before condemning internal parts
  5. Replace a failed switch or solenoid only after the circuit test fails