Engine-Codes - Mercury - B1253 Mercury

B1253 Mercury Code - Air Temperature Internal Sensor Circuit Short To Ground

- Code Popularity: 698 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1253 Mercury?

  • 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

|How to Fix the B1253 Mercury Code?

Start by checking 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 connector's pins.

|What is the Cost to Diagnose the Code B1253 Mercury?

Labor: 1.0

The cost to diagnose the B1253 Mercury code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are Code B1253 Mercury Possible Symptoms?

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

|What Does the B1253 Mercury Code Mean?

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.

Air Temperature Internal Sensor Circuit Short To Ground

|Need more Information on the B1253 Mercury Code?

Need more information on how to fix the B1253 Mercury code? Get Access to Factory Service Manuals

|Need Help with the B1253 Mercury Code?

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