P1651
PSP Switch Input Malfunction
2011-2015 Ford Explorer 3.5L V6
Low SeverityPowertrain
Description
The Power Steering Pressure switch input to the PCM is not functioning properly. The PCM cannot detect steering load changes.
Symptoms
- Engine stalls when turning at idle or low speed
- Check Engine Light
- No idle speed increase when turning wheel
Common Causes
- Faulty PSP switch
- Wiring open or short in PSP circuit
- Low power steering fluid
- Corroded connector
Diagnostic Steps
- Test PSP switch with scan tool — verify signal changes when steering
- Check PSP switch connector
- Test wiring continuity
- Check power steering fluid level
Repair Notes
Replace PSP switch. Repair wiring. Top off power steering fluid.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
P1651 on Other Vehicles
Common Questions
What does code P1651 mean on a 2011-2015 Ford Explorer?
P1651 stands for "PSP Switch Input Malfunction". The Power Steering Pressure switch input to the PCM is not functioning properly. The PCM cannot detect steering load changes.
What are the symptoms of P1651 on a Ford Explorer?
Common symptoms of P1651 include: Engine stalls when turning at idle or low speed, Check Engine Light, No idle speed increase when turning wheel.
What causes P1651 on a 2011-2015 Ford Explorer?
Common causes of P1651 include: Faulty PSP switch, Wiring open or short in PSP circuit, Low power steering fluid, Corroded connector.