AutoCodes - OBDII Code List - B0685 CADILLAC

B0685 CADILLAC - Security System Indicator Circuit Short to Ground

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B0685 CADILLAC 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 CADILLAC?

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.
How much do you know about cars?

Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge

Play Now

Cost of diagnosing the B0685 CADILLAC code

Labor: 1.0

The cost of diagnosing the B0685 CADILLAC 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.

Possible Symptoms

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

B0685 CADILLAC Description

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.
OBDII Code B0685 Cadillac - Security System Indicator Circuit Short to Ground - AutoCodes.com

More Information

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

Need more help?

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

Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the B0685 Cadillac code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧