Engine-Codes - Generic - B0939

B0939 Code - Coolant Level Sensor Circuit High

- Code Popularity: 869 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B0939?

  • Low Coolant Level
  • Faulty Coolant Level Sensor
  • Coolant Level Sensor harness is open or shorted
  • Coolant Level Sensor circuit poor electrical connection

|How to Fix the B0939 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 B0939?

Labor: 1.0

The cost to diagnose the B0939 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 B0939 Possible Symptoms?

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

|What Does the B0939 Code Mean?

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

B0939 Code - Coolant Level Sensor Circuit High

|Need more Information on the B0939 Code?

Need more information on how to fix the B0939 code? Get Access to Factory Service Manuals

|Code B0939 Information for Specific Makes

|Need Help with the B0939 Code?

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