P1464 A/C Demand Out of Self-Test Range
What does P1464 mean on a Ford?
P1464 — A/C Demand Out of Self-Test Range. This Ford-enhanced code applies to F-150, Explorer, Ranger, Taurus.
Common causes of P1464
- Self-test run with the A/C switched on
- Failed A/C demand switch input
- Shorted A/C request circuit
- Aftermarket A/C wiring confusing the PCM
- PCM input fault
How to fix P1464
- Switch the A/C fully off and re-run the self-test
- Test the A/C demand switch operation
- Inspect the request circuit for shorts
- Check for non-factory A/C wiring
- Diagnose the input circuit if the code persists with A/C off