B3881 - Left Tail Lamp Circuit Short to Ground

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

B3881 Possible Causes

  • Faulty Left Tail Lamp
  • Left Tail Lamp harness is open or shorted
  • Left Tail Lamp circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How do I fix code B3881

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 B3881 code

Labor: 1.0

The cost of diagnosing the B3881 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)

B3881 Description

The brake pedal position sensor is used to sense the action of the driver application of the brake pedal. The brake pedal position sensor provides an analog voltage signal that will increase as the brake pedal is applied. The Body Control Module (BCM) provides a low reference signal and a 5 V reference voltage to the brake pedal position sensor. When the variable signal reaches a voltage threshold indicating the brakes have been applied, the BCM will apply battery voltage to the left and right stop lamp control circuits as well as the center high mounted stop lamp relay control circuit illuminating the left and right stop lamps and the center high mounted stop lamp. The Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground in the left stop lamp control circuit.
OBDII Code B3881 - Left Tail Lamp Circuit Short to Ground - AutoCodes.com

B3881 More Information

Need more information on how to fix the B3881 code?
Get Access to Factory Service Manuals

Information for specific makes

Need more help?

Get the B3881 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 B3881 code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧