B142A Infiniti Code - Ignition Voltage
Quick Answer
The Airbag Diagnosis Sensor Unit, also known as the Airbag Control Module or Electronic Crash Unit, is a computer that controls the airbag system. Common causes include Faulty Air Bag Diagnosis Sensor Unit, Air Bag Diagnosis Sensor Unit harness is open or shorted, Air Bag 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
- B142A Infiniti indicates Ignition Voltage.
- Common causes
- Common causes include Faulty Air Bag Diagnosis Sensor Unit, Air Bag Diagnosis Sensor Unit harness is open or shorted, Air Bag 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 B142A Infiniti Description
What are the Possible Causes of the DTC B142A Infiniti?
- Faulty Air Bag Diagnosis Sensor Unit
- Air Bag Diagnosis Sensor Unit harness is open or shorted
- Air Bag Diagnosis Sensor Unit circuit poor electrical connection
How to Fix the DTC B142A 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 B142A 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 B142A Infiniti code?
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Need Help with the Code?
Get the B142A Infiniti code diagnosed by a professional: Find a repair shop in your area
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 B142A Infiniti Code
1. What are the common symptoms of OBDII code B142A in Infiniti vehicles?
The common symptoms include issues with starting the vehicle, rough idling, and a lit check engine light on the dashboard.
2. What does the OBDII code B142A in an Infiniti indicate?
This code specifically points to a problem with the ignition voltage in the vehicle.
3. What are some possible causes of OBDII code B142A in an Infiniti?
Potential causes include a faulty ignition switch, damaged wiring, or a weak battery.
4. How can I diagnose the issue causing OBDII code B142A in my Infiniti?
It is recommended to use a diagnostic scanner to read the code and perform a thorough inspection of the ignition system components.
5. Can a weak battery trigger OBDII code B142A in an Infiniti?
Yes, a weak or failing battery can lead to issues with ignition voltage and trigger this specific OBDII code.
6. How can I repair OBDII code B142A in my Infiniti?
Repairing this code often involves fixing or replacing the faulty ignition switch, repairing damaged wiring, or replacing the battery if necessary.
7. Is it safe to continue driving with OBDII code B142A present in my Infiniti?
It is not recommended to drive the vehicle with this code present, as it may lead to further electrical issues or potential stalling while driving.
8. Can OBDII code B142A in an Infiniti be reset without fixing the underlying issue?
While you can clear the code temporarily, it is essential to address the root cause to prevent it from reoccurring and potentially causing more significant problems.
9. Are there any preventive maintenance tips to avoid OBDII code B142A in an Infiniti?
Regularly inspecting the ignition system components, ensuring the battery is in good condition, and addressing any electrical issues promptly can help prevent this code from appearing.
10. Should I seek professional help to diagnose and repair OBDII code B142A in my Infiniti?
If you are not experienced in automotive repair, it is advisable to consult a professional mechanic who can accurately diagnose and repair the issue causing the OBDII code B142A in your Infiniti.
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