OBDII Code List

U0253 MERCURY - Lost Communication With Accessory Protocol Interface Module

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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U0253 MERCURY Possible 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

First diagnose U0253 MERCURY code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the U0253 MERCURY code

    Labor: 1.0

    The cost of diagnosing the U0253 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

U0253 MERCURY Possible Symptoms

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

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 -

U0253 MERCURY More Information

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U0253 MERCURY Comments

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