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AutoCodes - Generic - B1389

B1389 Code - Oil Temperature Sensor Circuit Failure

- Code Popularity: 6,750 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Mar 20, 2019
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|Code B1389 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 do I Fix the Code B1389?

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 connector's pins.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B1389?

Labor: 1.0

The cost of diagnosing the B1389 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.

|What are Code B1389 Possible Symptoms?

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

|Code B1389 Description

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.

OBDII Code B1389 - Oil Temperature Sensor Circuit Failure -
B1389 Code - Oil Temperature Sensor Circuit Failure

|Need More Information on the B1389 Code?

Need more information on how to fix the B1389 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B1389 Code?

Get the B1389 code diagnosed by a professional: Find a repair shop in your area

|Code B1389 comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B1389 code? Have you replaced any parts?
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