AutoCodes – Lincoln – P1650 Lincoln

P1650 Lincoln Code - Power Steering Pressure Switch Out of Self-Test Range

Quick Answer

In the key ON engine OFF (KOEO) self-test, this code indicates the Power Steering Pressure (PSP) input to the Powertrain Control Module (PCM) is high. Common causes include Faulty Power Steering Pressure (PSP), Power Steering Pressure (PSP) harness is open or shorted, Power Steering Pressure (PSP) circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: P1650 Lincoln indicates Power Steering Pressure Switch Out of Self-Test Range.
Common causes: Common causes include Faulty Power Steering Pressure (PSP), Power Steering Pressure (PSP) harness is open or shorted, Power Steering Pressure (PSP) circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 6,044

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 05, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1650 Lincoln Description

In the key ON engine OFF (KOEO) self-test, this code indicates the Power Steering Pressure (PSP) input to the Powertrain Control Module (PCM) is high. In the key ON engine running (KOER) self-test, this code indicates the PSP input did not change state.

OBDII Code P1650 Lincoln - Power Steering Pressure Switch Out of Self-Test Range - AutoCodes.com — P1650 Lincoln Code - Power Steering Pressure Switch Out of Self-Test Range

What does this mean?

What are the Possible Causes of the DTC P1650 Lincoln?

Faulty Power Steering Pressure (PSP)
Power Steering Pressure (PSP) harness is open or shorted
Power Steering Pressure (PSP) circuit poor electrical connection
Damaged Powertrain Control Module (PCM)

How to Fix the DTC P1650 Lincoln?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1650 Lincoln code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1650 Lincoln code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.