PSP Switch Out of Self-Test Range
2002-2005 Ford Explorer 4.6L V8
Description
The Power Steering Pressure switch is not within the expected range during the KOER self-test. The PSP switch tells the PCM when the steering is being turned so it can increase idle speed to prevent stalling.
Symptoms
- Check Engine Light
- Self-test failure
- Engine may stall when turning steering wheel at idle
Common Causes
- PSP switch not actuated during test (steering wheel must be turned)
- Faulty PSP switch
- Wiring issue
- Low power steering fluid
Diagnostic Steps
- Turn steering wheel during KOER self-test
- Test PSP switch operation
- Check power steering fluid level
- Inspect PSP switch wiring
Repair Notes
Turn steering wheel during self-test. Replace PSP switch if faulty.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- 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
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
P1650 on Other Vehicles
Common Questions
What does code P1650 mean on a 2002-2005 Ford Explorer?
P1650 stands for "PSP Switch Out of Self-Test Range". The Power Steering Pressure switch is not within the expected range during the KOER self-test. The PSP switch tells the PCM when the steering is being turned so it can increase idle speed to prevent stalling.
What are the symptoms of P1650 on a Ford Explorer?
Common symptoms of P1650 include: Check Engine Light, Self-test failure, Engine may stall when turning steering wheel at idle.
What causes P1650 on a 2002-2005 Ford Explorer?
Common causes of P1650 include: PSP switch not actuated during test (steering wheel must be turned), Faulty PSP switch, Wiring issue, Low power steering fluid.