P1171 Rotor Control Fault
What does P1171 mean on a Ford?
P1171 — Rotor Control Fault. This Ford-enhanced code applies to 1990s Ford V8 models.
Common causes of P1171
- Failed rotor control circuit
- Open or shorted control wiring
- Faulty control module
- Poor ground to the module
- Corroded connections
How to fix P1171
- Check module power and ground
- Test the control circuit
- Inspect connectors for corrosion
- Verify module command signals
- Replace the module after circuit confirmation