PSP Switch Out of Self-Test Range
2016-2016 Ford Explorer 3.5L V6 EcoBoost
The 2016 Ford Explorer is equipped with a 3.5L V6 turbocharged gasoline engine. Below you'll find detailed p1650 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
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
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1650 on Other Vehicles
Common Questions
What does code P1650 mean on a 2016-2016 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 2016-2016 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.
Last updated: March 2026
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