AutoCodes – Ford – U0253 Ford

U0253 Ford 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 Ford 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 30,259

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

What does this mean?

What are the Possible Causes of the DTC U0253 Ford?

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 Ford?

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 Ford 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 Ford Code

1. What are the common symptoms of OBDII code U0253 in a Ford vehicle?

- Common symptoms include the loss of communication with various accessories like the radio, climate control system, or other modules in the car.

2. What does the U0253 code mean in a Ford vehicle?

- The U0253 code indicates a communication problem with the Accessory Protocol Interface Module (APIM), which is responsible for controlling various vehicle accessories.

3. What are some possible causes of the U0253 code in a Ford?

- Possible causes include a faulty APIM, damaged wiring or connectors, software issues, a blown fuse, or a drained battery.

4. How can I diagnose the U0253 code in my Ford?

- Diagnosing the U0253 code typically involves checking the wiring and connectors associated with the APIM, scanning for other related trouble codes, and performing a thorough inspection of the APIM itself.

5. Can I still drive my Ford with the U0253 code present?

- While it may be possible to drive the vehicle with the U0253 code, it is not recommended as it can lead to the loss of important vehicle functions controlled by the APIM.

6. How can I repair the U0253 code in my Ford?

- Repairing the U0253 code may involve replacing the faulty APIM, repairing damaged wiring or connectors, updating software, checking and replacing fuses, or addressing any underlying battery issues.

7. Can resetting the trouble codes clear the U0253 code in a Ford?

- Resetting the trouble codes may temporarily clear the U0253 code, but if the underlying issue is not addressed, the code is likely to return.

8. Is the U0253 code specific to a certain Ford vehicle model?

- The U0253 code can be found in various Ford models that are equipped with an Accessory Protocol Interface Module, such as certain F-Series trucks, Explorers, and Fusion models.

9. How much does it typically cost to repair the U0253 code in a Ford?

- The cost of repairing the U0253 code can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Can a DIY enthusiast fix the U0253 code in a Ford, or is it best left to professionals?

- While some DIY enthusiasts may be able to diagnose and repair the U0253 code themselves, it is recommended to consult a professional mechanic or technician due to the complexity of the issue and the need for specialized tools and knowledge.