B0094
LED Headlamp Module Malfunction - Left
About B0094
The B0094 code indicates that the body control module has detected a led headlamp module malfunction - left condition. This relates to the vehicle's body electrical systems, which control comfort, convenience, and safety features. When this code is stored, the affected system or component may not operate correctly, potentially impacting safety or comfort features. This guide covers everything you need to know about this topic, including common causes, step-by-step solutions, and answers to frequently asked questions.
Here are the key things to understand: Door locks not responding to remote or switch. Climate control not responding to inputs. Power window inoperative on one or more doors. Turn signals flashing rapidly or not at all. Understanding these fundamentals will help you diagnose and resolve this issue more effectively.
The most common reasons this occurs include: Corroded battery terminals. Corroded or damaged wiring harness connectors. Faulty body control module (BCM). Failed window/lock/seat motor. Identifying the root cause is the first step toward finding the right solution.
To resolve this, follow these recommended steps: Connect an OBD-II scanner and read all stored body control module trouble codes. Inspect the affected circuit fuse and relay; replace if blown or faulty. Check the wiring harness and connectors for damage, corrosion, or loose pins. Test circuit voltage and ground with a multimeter at the affected component. Verify battery voltage is within specification (12.4V+ engine off). If these steps do not resolve the issue, consider consulting additional resources or a qualified professional.
This article is part of our Body (B) collection on OBD Codes. We provide comprehensive, up-to-date information to help you find solutions quickly.
Quick Answer
Is it safe to drive with the airbag light on?
Driving with the airbag warning light on means the SRS system may not deploy in a crash, which significantly increases injury risk. Have the system inspected as soon as possible.
Overview
The B0094 code indicates that the body control module has detected a led headlamp module malfunction - left condition. This relates to the vehicle's body electrical systems, which control comfort, convenience, and safety features. When this code is stored, the affected system or component may not operate correctly, potentially impacting safety or comfort features.
Symptoms
- Door locks not responding to remote or switch
- Climate control not responding to inputs
- Power window inoperative on one or more doors
- Turn signals flashing rapidly or not at all
Common Causes
- Corroded battery terminals
- Corroded or damaged wiring harness connectors
- Faulty body control module (BCM)
- Failed window/lock/seat motor
Diagnosis Steps
- 1Connect an OBD-II scanner and read all stored body control module trouble codes
- 2Inspect the affected circuit fuse and relay; replace if blown or faulty
- 3Check the wiring harness and connectors for damage, corrosion, or loose pins
- 4Test circuit voltage and ground with a multimeter at the affected component
- 5Verify battery voltage is within specification (12.4V+ engine off)
Estimated Repair Cost
Cost varies by vehicle, location, and repair shop. Includes parts and labor.