Engine-Codes - Generic - B1387

B1387 - Oil Temperature Sensor Circuit Open

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B1387 Possible Causes

  • Faulty Oil Temperature Sensor
  • Oil Temperature Sensor harness is open or shorted
  • Oil Temperature Sensor circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How is the B1387 code repair?

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 B1387 code

Labor: 1.0

The cost to diagnose the B1387 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

B1387 Meaning

The Powertrain Control Module (PCM) monitors the Oil Temperature Sensor. The PCM sets the OBDII code when the Oil Temperature Sensor is not to factory specifications.

More Information

Need more information on how to fix the B1387 code?
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Information for specific makes

  • B1387 HYUNDAI Driver Seat Track Position Sensor Short Or Short To Ground
  • B1387 KIA Driver Seat Track Position Sensor Short Or Short To Ground

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