AutoCodes – Lincoln – U0253 Lincoln

U0253 Lincoln Code - Lost Communication With Accessory Protocol Interface Module

Quick Answer

The Accessory Protocol Interface Module (APIM) communicates with the scan tool through the High Speed Controller Area Network (HS-CAN). Common causes include Faulty Accessory Protocol Interface Module (APIM), Accessory Protocol Interface Module (APIM) harness is open or shorted, Accessory Protocol Interface Module (APIM) 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: U0253 Lincoln indicates Lost Communication With Accessory Protocol Interface Module.
Common causes: Common causes include Faulty Accessory Protocol Interface Module (APIM), Accessory Protocol Interface Module (APIM) harness is open or shorted, Accessory Protocol Interface Module (APIM) 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 3,056

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 Apr 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0253 Lincoln Description

The Accessory Protocol Interface Module (APIM) communicates with the scan tool through the High Speed Controller Area Network (HS-CAN). The Powertrain Control Module (PCM) monitors the APIM. The PCM sets the OBDII code when the APIM is not to factory specifications.

OBDII Code U0253 Lincoln - Lost Communication With Accessory Protocol Interface Module - AutoCodes.com — U0253 Lincoln Code - Lost Communication With Accessory Protocol Interface Module

What does this mean?

What are the Possible Causes of the DTC U0253 Lincoln?

Faulty Accessory Protocol Interface Module (APIM)
Accessory Protocol Interface Module (APIM) harness is open or shorted
Accessory Protocol Interface Module (APIM) circuit poor electrical connection

How to Fix the DTC U0253 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 U0253 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 U0253 Lincoln Code

1. What are the common symptoms of OBDII code U0253 in a Lincoln indicating a lost communication with the Accessory Protocol Interface Module?

- Common symptoms include issues with power windows, door locks, interior lights, or other accessories not functioning properly.

2. What are the possible causes of the U0253 code in a Lincoln vehicle?

- Causes can include a faulty Accessory Protocol Interface Module (APIM), damaged wiring or connectors, or a communication network issue.

3. How can I diagnose the U0253 code in my Lincoln to pinpoint the exact issue?

- Diagnose by checking the APIM for power and ground, inspecting wiring for damage, and using a diagnostic scanner to monitor communication signals.

4. Is it safe to continue driving my Lincoln with the U0253 code present?

- It is generally safe to drive, but it's recommended to address the issue promptly to avoid potential inconvenience or further damage to the vehicle's accessories.

5. Can I reset the U0253 code in my Lincoln by disconnecting the battery?

- Disconnecting the battery may temporarily clear the code, but the underlying issue causing the communication loss with the APIM will need to be resolved for a permanent fix.

6. Are there any DIY repair tips for addressing the U0253 code in a Lincoln?

- DIY tips include checking and cleaning the APIM connectors, inspecting wiring for breaks, and ensuring all fuses related to the APIM are intact.

7. What is the typical cost to repair the U0253 code in a Lincoln at a dealership or repair shop?

- Costs can vary depending on the exact cause, but expect to pay for diagnostic time, parts replacement (if needed), and labor, which can range from $100 to $500 or more.

8. Can the U0253 code be related to other OBDII codes in a Lincoln?

- Yes, the U0253 code can sometimes be related to other communication or network-related codes, so it's essential to diagnose all codes present for a comprehensive repair.

9. Are there any recalls or technical service bulletins related to the U0253 code in Lincoln vehicles?

- Check with your local Lincoln dealership or visit the manufacturer's website to see if there are any relevant recalls or technical service bulletins addressing the U0253 code.

10. How long does it typically take to repair the U0253 code in a Lincoln?

- Repair time can vary based on the specific cause of the issue, but most repairs related to the U0253 code can be completed within a few hours to a day at a dealership or repair shop.