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B1253 MERCURY

B1253 MERCURY - Air Temperature Internal Sensor Circuit Short To Ground

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Air Temperature Internal Sensor
  • Air Temperature Internal Sensor harness is open or shorted
  • Air Temperature Internal Sensor circuit poor electrical connection
  • Faulty Electronic Automatic Temperature Control (EATC) Module

Possible symptoms

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

B1253 Mercury Description

The Electronic Automatic Temperature Control (EATC) Module monitors the Air Temperature Internal Sensor. The EATC sets the OBDII code when the Air Temperature Internal Sensor is not to factory specifications.
OBDII Code B1253 Mercury - Air Temperature Internal Sensor Circuit Short To Ground - AutoCodes.com

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B1253 MERCURY Comments

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