B1027 Infiniti Code - Diagnosis Sensor Unit
Quick Answer
The Air Bag Diagnosis Sensor Unit detects the whole SRS electrical system and displays the malfunction either by illuminating or blinking the air bag warning lamp in the combination meter. Common causes include Faulty Diagnosis Sensor Unit, Diagnosis Sensor Unit harness is open or shorted, Diagnosis Sensor Unit circuit poor electrical connection. 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
- B1027 Infiniti indicates Diagnosis Sensor Unit.
- Common causes
- Common causes include Faulty Diagnosis Sensor Unit, Diagnosis Sensor Unit harness is open or shorted, Diagnosis Sensor Unit circuit poor electrical connection.
- 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.
Code B1027 Infiniti Description
The Air Bag Diagnosis Sensor Unit contains the “G†sensors for both frontal and side collisions and spare battery function in case of main battery damaged in a collision.
What are the Possible Causes of the DTC B1027 Infiniti?
- Faulty Diagnosis Sensor Unit
- Diagnosis Sensor Unit harness is open or shorted
- Diagnosis Sensor Unit circuit poor electrical connection
How to Fix the DTC B1027 Infiniti?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1027 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the B1027 Infiniti code?
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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.
Frequently Asked Questions about B1027 Infiniti Code
1. What are the common symptoms of OBDII code B1027 in an Infiniti related to the Diagnosis Sensor Unit?
- Common symptoms include issues with the airbag system, such as warning lights on the dashboard and potential non-deployment of airbags in the event of a collision.
2. What are the typical causes of OBDII code B1027 related to the Diagnosis Sensor Unit in an Infiniti?
- The code B1027 is often triggered by a malfunction or failure of the Diagnosis Sensor Unit itself, which is a crucial component of the airbag system in the vehicle.
3. How can I diagnose OBDII code B1027 in my Infiniti related to the Diagnosis Sensor Unit?
- To diagnose this code, it is recommended to use a diagnostic scan tool to retrieve the specific error codes, perform visual inspections of the airbag system components, and check for any loose connections.
4. Are there any DIY repair tips for fixing OBDII code B1027 in an Infiniti with issues related to the Diagnosis Sensor Unit?
- DIY repair is not recommended for this code, as it involves the airbag system which is a critical safety component. It is advisable to seek professional help to properly diagnose and repair the issue.
5. Can driving with OBDII code B1027 related to the Diagnosis Sensor Unit in an Infiniti be dangerous?
- Driving with this code present can be dangerous as it indicates a potential issue with the airbag system, which may lead to airbags not deploying in the event of a collision, compromising passenger safety.
6. How much does it typically cost to repair OBDII code B1027 in an Infiniti caused by the Diagnosis Sensor Unit?
- Repair costs for this issue can vary depending on the extent of the problem and the specific model of the Infiniti, but it is advisable to budget for potentially significant expenses due to the complexity of the airbag system.
7. Can resetting the OBDII code B1027 related to the Diagnosis Sensor Unit in an Infiniti resolve the issue?
- Resetting the code may temporarily clear the warning lights, but it will not fix the underlying problem with the Diagnosis Sensor Unit. It is crucial to address the root cause of the issue to ensure proper functioning of the airbag system.
8. Are there any recalls or service bulletins related to OBDII code B1027 in an Infiniti vehicles?
- Infiniti may have issued recalls or service bulletins related to the Diagnosis Sensor Unit and OBDII code B1027. It is advisable to check with the manufacturer or a certified dealership for any relevant information.
9. How long does it typically take to repair OBDII code B1027 in an Infiniti caused by the Diagnosis Sensor Unit?
- The repair time for this issue can vary depending on the specific diagnosis and required repairs, but it is recommended to allow for sufficient time to properly address the airbag system problem.
10. Is it safe to continue driving my Infiniti with OBDII code B1027 related to the Diagnosis Sensor Unit?
- It is not safe to drive the vehicle with this code present, as it indicates a potential issue with the airbag system. It is important to have the problem diagnosed and repaired by a professional as soon as possible.
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