OBD-I Codes List

Ford 67 Park neutral or clutch switch circuit fault or A/C input high

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

How to read it

Code 67 reads as 6 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 67 mean?

Park neutral or clutch switch circuit fault or A/C input high

Common causes of 67

  • Incorrect adjustment
  • Wiring open circuit
  • NP switch
  • ECM

How to fix 67

  1. Check the adjustment and the linkage
  2. Check the circuit wiring for an open circuit
  3. Test the NP switch and replace it only if it fails its own test
  4. Test the ECM last, only after every circuit test has passed
  5. Clear the code, then retest to confirm the fix holds

Source

Source review recorded

Sources and review

Review: checked against the recorded source material.

Last updated 2026-09-29.

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