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Engine-Codes – Generic – B1119

B1119 Code - Left Air Bag Satellite Sensor

Quick Answer

The B1119 diagnostic trouble code (DTC) indicates a problem with the left airbag satellite sensor in the vehicle's airbag system. Common causes include Faulty left airbag satellite sensor, Wiring or connection issues in the airbag system, Corrosion or damage to the sensor due to moisture or debris. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1119 indicates Left Air Bag Satellite Sensor.
Common causes
Common causes include Faulty left airbag satellite sensor, Wiring or connection issues in the airbag system, Corrosion or damage to the sensor due to moisture or debris.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code B1119 Description

The B1119 diagnostic trouble code (DTC) indicates a problem with the left airbag satellite sensor in the vehicle's airbag system. The left airbag satellite sensor is responsible for detecting impacts and sending signals to the airbag control module to deploy the airbags in the event of a collision. When this sensor malfunctions, it can affect the proper deployment of the airbags, compromising the safety of the vehicle occupants.

OBDII Code B1119 - Left Air Bag Satellite Sensor
B1119 Code - Left Air Bag Satellite Sensor

Common Causes of B1119

  1. Faulty left airbag satellite sensor.
  2. Wiring or connection issues in the airbag system.
  3. Corrosion or damage to the sensor due to moisture or debris.
  4. Impact or collision that damaged the sensor.
  5. Malfunctioning airbag control module.

Symptoms of B1119

  1. Illuminated airbag warning light on the dashboard.
  2. Inconsistent or delayed airbag deployment in a collision.
  3. Loss of communication with the airbag control module.
  4. Intermittent or constant beeping sound from the airbag system.
  5. Vehicle failing airbag system self-test during startup.

How to Fix B1119

  1. Diagnose the issue using a scan tool to retrieve the specific DTC and pinpoint the problem.
  2. Inspect the wiring and connections in the airbag system for any damage or corrosion.
  3. Replace the left airbag satellite sensor if it is found to be faulty.
  4. Clear the DTC from the airbag control module's memory.
  5. Perform a test to ensure the airbag system is functioning correctly after the repair.

Cost to Fix B1119

The typical repair costs for addressing a B1119 DTC related to the left airbag satellite sensor can range from $200 to $500, including parts and labor. However, the actual cost may vary depending on the vehicle's make and model, the location of the repair shop, and the extent of the damage. It is recommended to consult with a qualified mechanic to get an accurate estimate based on the specific circumstances. Keep in mind that diagnostic time and labor rates can also impact the final cost of the repair.

Need more information about the B1119 code?

Need more information on how to fix the B1119 code? Get Access to Factory Service Manuals

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Code B1119 Information for Specific Makes

Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1119 Code

What does the OBDII code B1119 indicate?

The OBDII code B1119 indicates a problem with the left air bag satellite sensor, which is part of the vehicle's airbag system responsible for detecting impacts and deploying the airbag.

What symptoms might I experience with a B1119 code?

Common symptoms include the airbag warning light illuminating on the dashboard, potential issues with airbag deployment during a crash, and possible diagnostics indicating a fault in the airbag system.

What are the common causes of a B1119 code?

Common causes include a faulty left air bag satellite sensor, damaged wiring or connectors, a defective airbag control module, or issues related to the vehicle's electronic systems.

How can I diagnose the issue related to a B1119 code?

To diagnose the issue, use an OBDII scanner to confirm the code, inspect the left air bag satellite sensor and its wiring for damage, and check for any other related codes that could indicate further problems.

Can I reset the B1119 code myself?

You can reset the B1119 code using an OBDII scanner, but if the underlying issue is not fixed, the code will likely return, and the airbag warning light will illuminate again.

Is it safe to drive a vehicle with a B1119 code?

While it is possible to drive the vehicle, it is not recommended as the airbag system may not function correctly in the event of an accident, putting occupants at risk.

What repairs are typically needed to fix a B1119 code?

Repairs may include replacing the left air bag satellite sensor, repairing damaged wiring or connectors, or in some cases, replacing the airbag control module.

How much does it typically cost to repair a B1119 code?

The cost to repair a B1119 code can vary widely depending on the specific problem and labor rates, but repairs can range from $100 to $500 or more, especially if parts need to be replaced.

Can a B1119 code affect my vehicle's insurance?

Yes, a B1119 code may affect your vehicle's insurance, particularly if it indicates a malfunction in the airbag system, as insurers may view this as a safety risk. It’s advisable to resolve the issue before any incidents occur.

Discuss the causes and fixes for B1119 OBDII Code

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