AutoCodes – Lincoln – P164C Lincoln

P164C Lincoln Code - Internal Control Module Start-Stop Performance

Quick Answer

The Powertrain Control Module (PCM) receives input signals from sensors and other components (switches, relays). Common causes include Reprogram Powertrain Control Module (PCM), Faulty Powertrain Control Module, Powertrain Control Module harness is open or shorted. 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: P164C Lincoln indicates Internal Control Module Start-Stop Performance.
Common causes: Common causes include Reprogram Powertrain Control Module (PCM), Faulty Powertrain Control Module, Powertrain Control Module harness is open or shorted.
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 1,311

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 13, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P164C Lincoln Description

The Powertrain Control Module (PCM) receives input signals from sensors and other components (switches, relays). Based on this information, the Powertrain Control Module generates output signals to control various relays, solenoids, and actuators. The Diagnostic Trouble Code (DTC) sets when an error occurs in the Powertrain Control Module.

OBDII Code P164C Lincoln - Internal Control Module Start-Stop Performance - AutoCodes.com — P164C Lincoln Code - Internal Control Module Start-Stop Performance

What does this mean?

What are the Possible Causes of the DTC P164C Lincoln?

Reprogram Powertrain Control Module (PCM)
Faulty Powertrain Control Module
Powertrain Control Module harness is open or shorted
Powertrain Control Module circuit poor electrical connection

How to Fix the DTC P164C 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 does this mean?

Code Tech Notes

This Diagnostic Trouble Code (DTC) may be accompanied by other DTCs. Check for other DTCs and diagnose those first. If no DTCs are present, continue to follow diagnosis for this DTC.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P164C 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.

Frequently Asked Questions about P164C Lincoln Code

1. What does OBDII code P164C mean for a Lincoln vehicle?

The P164C code indicates an issue with the Internal Control Module Start-Stop Performance, often related to the start-stop system not functioning as intended.

2. What are the common symptoms of a P164C code on a Lincoln?

Symptoms may include the start-stop system being disabled, a check engine light, reduced fuel efficiency, and potential hesitation when restarting the engine.

3. What causes the P164C code to appear?

Common causes include a faulty start-stop control module, software issues, a weak or failing battery, wiring problems, or a malfunction in related sensors.

4. Can a weak battery trigger the P164C code?

Yes, a weak or failing battery can cause the start-stop system to malfunction, leading to the P164C code.

5. How can I fix the P164C code on my Lincoln?

Repairs may include recharging or replacing the battery, checking and repairing wiring connections, updating the control module software, or replacing the start-stop control module if itâ€™s defective.

6. Is it safe to drive with a P164C code?

While the vehicle may still be drivable, the start-stop system may not function correctly, and ignoring the issue could lead to further complications over time.

7. How do I diagnose the P164C code?

Diagnosis typically involves scanning for additional codes, testing the battery and charging system, inspecting wiring and connectors, and performing module communication tests.

8. Can a software update resolve the P164C code?

Yes, in some cases, reprogramming or updating the vehicle's control module software can resolve the issue if itâ€™s caused by a software glitch.

9. Does the P164C code affect fuel efficiency?

Yes, since the start-stop system is designed to improve fuel efficiency, a malfunction indicated by the P164C code may lead to reduced fuel savings.

10. How much does it cost to repair the P164C code?

Repair costs can vary widely, ranging from $100 for a battery replacement to $500 or more if the start-stop control module requires replacement or reprogramming.