Engine-Codes - Chevrolet - B0685 CHEVROLET

B0685 CHEVROLET - Security System Indicator Circuit Short to Ground

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
  1. Possible Causes
  2. How To Fix
  3. Cost to Diagnose
  4. Meaning

B0685 CHEVROLET Possible Causes

  • 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 do I fix code B0685 CHEVROLET

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.

Cost of diagnosing the B0685 CHEVROLET code

Labor: 1.0

The cost of diagnosing the B0685 CHEVROLET 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.

Possible Symptoms

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

B0685 CHEVROLET Meaning

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.

B0685 CHEVROLET More Information

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

Need more help?

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