Engine-Codes - Chevrolet - B0685 Chevrolet

B0685 Chevrolet Code - Security System Indicator Circuit Short to Ground

- Code Popularity: 1,296 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B0685 Chevrolet?

  • Faulty Light/Sunload Ambient Sensor
  • Light/Sunload Ambient Sensor harness is open or shorted
  • Light/Sunload Ambient Sensor circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How to Fix the B0685 Chevrolet 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 B0685 Chevrolet?

Labor: 1.0

The cost to diagnose the B0685 Chevrolet 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.

Does your car have Safety Recalls? → Check here

|What are Code B0685 Chevrolet Possible Symptoms?

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

|What Does the B0685 Chevrolet Code Mean?

The security LED is controlled by the Body Control Module (BCM) based on commands from the content theft deterrent system. The security LED is located in the dash as part of the ambient light sensor and is supplied ground at all times. When the content theft deterrent system requests the LED be commanded ON, the BCM applies voltage to the security indicator control circuit, illuminating the LED.

Security System Indicator Circuit Short to Ground

|Need more Information on the B0685 Chevrolet Code?

Need more information on how to fix the B0685 Chevrolet code? Get Access to Factory Service Manuals

|Need Help with the B0685 Chevrolet Code?

Get the B0685 Chevrolet code diagnosed by a professional: Find a repair shop in your area