What causes P1550 on a Ford?

Failed power steering pressure switch Open or shorted switch circuit Leaking switch dripping fluid into the connector Low power steering fluid altering switch behavior PCM input fault

How do I fix P1550 on a Ford?

Inspect the switch for fluid leaks into its connector Check fluid level and top off with the correct fluid Test switch state change from lock to lock on a scanner Inspect the circuit wiring Replace the switch if it never changes state

P1550 Power Steering Pressure Switch Malfunction

Q: What does P1550 mean on a Ford?

P1550 — Power Steering Pressure Switch Malfunction. Applies to F-150, Mustang, Ranger, Taurus with hydraulic power steering.

Category: Powertrain - Computer and Auxiliary Controls
Severity: Check Engine Light
Applies to: F-150, Mustang, Ranger, Taurus with hydraulic power steering

What does P1550 mean on a Ford?

P1550 — Power Steering Pressure Switch Malfunction. This Ford-enhanced code applies to F-150, Mustang, Ranger, Taurus with hydraulic power steering.

Common causes of P1550

Failed power steering pressure switch
Open or shorted switch circuit
Leaking switch dripping fluid into the connector
Low power steering fluid altering switch behavior
PCM input fault

How to fix P1550

Inspect the switch for fluid leaks into its connector
Check fluid level and top off with the correct fluid
Test switch state change from lock to lock on a scanner
Inspect the circuit wiring
Replace the switch if it never changes state