AutoCodes – Lincoln – P1505 Lincoln

P1505 Lincoln Code - Idle Air Control System at Adaptive Clip

Quick Answer

P1505 Lincoln indicates Idle Air Control System at Adaptive Clip. Common causes include Faulty Idle Control Actuator Valve, Idle Control Actuator Valve harness is open or shorted, Idle Control Actuator Valve circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1505 Lincoln indicates Idle Air Control System at Adaptive Clip.
Common causes: Common causes include Faulty Idle Control Actuator Valve, Idle Control Actuator Valve harness is open or shorted, Idle Control Actuator Valve circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,625

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1505 Lincoln Description

OBDII Code P1505 Lincoln - Idle Air Control System at Adaptive Clip - AutoCodes.com — P1505 Lincoln Code - Idle Air Control System at Adaptive Clip

What does this mean?

What are the Possible Causes of the DTC P1505 Lincoln?

Faulty Idle Control Actuator Valve
Idle Control Actuator Valve harness is open or shorted
Idle Control Actuator Valve circuit poor electrical connection

How to Fix the DTC P1505 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 P1505 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.

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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.