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U0253 Mercury Code - Lost Communication With Accessory Protocol Interface Module

- Code Popularity: 1,290 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC U0253 Mercury?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • 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
⚠ Does your Mercury have Safety Recalls? → Check here

How to Fix the DTC U0253 Mercury?

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

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U0253 Mercury code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

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

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Code U0253 Mercury comments

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