Engine-Codes - Buick - B0940 BUICK

B0940 BUICK Code - Coolant Level Sensor Circuit Open

- Code Popularity: 637 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the B0940 BUICK Code?

  • 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 B0940 BUICK 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 B0940 BUICK code?

Labor: 1.0

The cost to diagnose the B0940 BUICK 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.

|What are B0940 BUICK code possible symptoms?

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

|What Does the B0940 BUICK 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.

Coolant Level Sensor Circuit Open

|Need more information with the B0940 BUICK code?

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