B1042 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
- B1042 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 B1042 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 B1042 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 B1042 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 B1042 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 B1042 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 B1042 Infiniti Code
1. What are the common symptoms of OBDII code B1042 in an Infiniti related to the Diagnosis Sensor Unit?
- Common symptoms include issues with the airbag system, such as the airbag warning light staying on or flashing.
2. What could cause OBDII code B1042 to appear in an Infiniti's Diagnosis Sensor Unit?
- The code may indicate a malfunction in the Diagnosis Sensor Unit itself, a wiring issue, or a faulty connection.
3. How can I diagnose the Diagnosis Sensor Unit issue causing OBDII code B1042 in my Infiniti?
- Diagnosing the issue typically involves using a professional OBDII scanner to read and interpret the specific fault codes related to the Diagnosis Sensor Unit.
4. Can I repair OBDII code B1042 related to the Diagnosis Sensor Unit in my Infiniti at home?
- While some basic troubleshooting like checking connections and fuses can be done at home, resolving the root cause of the issue may require professional diagnostic equipment and expertise.
5. Is it safe to continue driving my Infiniti with OBDII code B1042 related to the Diagnosis Sensor Unit?
- It is not recommended to drive the vehicle with a malfunctioning airbag system, as it may compromise safety in case of an accident.
6. How much does it typically cost to repair OBDII code B1042 related to the Diagnosis Sensor Unit in an Infiniti?
- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the Diagnosis Sensor Unit or addressing wiring problems, which can range from moderate to expensive.
7. Are there any recalls or technical service bulletins related to OBDII code B1042 in an Infiniti's Diagnosis Sensor Unit?
- It is advisable to check with the manufacturer or authorized service centers to see if there are any recalls or technical service bulletins related to this specific OBDII code.
8. Can a DIY enthusiast with automotive knowledge fix OBDII code B1042 in an Infiniti's Diagnosis Sensor Unit?
- While some DIY enthusiasts may have the skills to tackle basic repairs, dealing with airbag systems and electronic components can be complex and dangerous, so it's recommended to seek professional help.
9. Will resetting the OBDII code B1042 related to the Diagnosis Sensor Unit in my Infiniti make the issue go away?
- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying problem causing the fault code to appear.
10. How can I prevent OBDII code B1042 related to the Diagnosis Sensor Unit from recurring in my Infiniti?
- Regularly maintaining and inspecting the airbag system, including the Diagnosis Sensor Unit and associated components, can help prevent the recurrence of this OBDII code.
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