AutoCodes – Nissan – B2190 Nissan

B2190 Nissan Code - NATS Antenna Amp

Quick Answer

The ID verification is performed through the Body Control Module (BCM) and the Nissan Anti Theft System (NATS) Intelligent Key when the push-button ignition switch is pressed. Common causes include Faulty Key Slot, Key Slot harness is open or shorted, Key Slot 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: B2190 Nissan indicates NATS Antenna Amp.
Common causes: Common causes include Faulty Key Slot, Key Slot harness is open or shorted, Key Slot 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.

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Code Popularity 22,025

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2190 Nissan Description

The ID verification is performed through the Body Control Module (BCM) and the Nissan Anti Theft System (NATS) Intelligent Key when the push-button ignition switch is pressed. The BCM prohibits the release of steering lock or start of engine when an unregistered ID of the NATS Intelligent Key is used. The OBDII code is set when there is an inactive communication between key slot and BCM.

OBDII Code B2190 Nissan - NATS Antenna Amp - AutoCodes.com — B2190 Nissan Code - NATS Antenna Amp

What does this mean?

What are the Possible Causes of the DTC B2190 Nissan?

Faulty Key Slot
Key Slot harness is open or shorted
Key Slot circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B2190 Nissan?

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 B2190 Nissan 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 B2190 Nissan code?

Need more information on how to fix the B2190 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2190 Nissan code diagnosed by a professional: Find a repair shop in your area

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 B2190 Nissan Code

1. What are the common symptoms of OBDII code B2190 in a Nissan related to the NATS Antenna Amp?

The common symptoms include issues with starting the vehicle, the engine not turning over, and the security light staying on.

2. What does the OBDII code B2190 in a Nissan indicate about the NATS Antenna Amp?

The code B2190 typically indicates a malfunction or communication error within the NATS (Nissan Anti-Theft System) Antenna Amplifier.

3. What are some possible causes of OBDII code B2190 in a Nissan related to the NATS Antenna Amp?

Possible causes include a faulty NATS Antenna Amplifier, damaged wiring or connections, a weak car battery, or issues with the vehicle's immobilizer system.

4. How can I diagnose the OBDII code B2190 in a Nissan related to the NATS Antenna Amp?

Diagnosis typically involves using a scan tool to retrieve the specific error code, checking the wiring and connections to the NATS Antenna Amplifier, and testing the components of the anti-theft system.

5. Can I reset the OBDII code B2190 in a Nissan related to the NATS Antenna Amp?

While clearing the code may temporarily turn off the check engine light, it is essential to diagnose and address the underlying issue causing the code to prevent it from reoccurring.

6. Is it safe to drive with OBDII code B2190 in a Nissan related to the NATS Antenna Amp?

It is generally not recommended to drive with this code active as it may lead to potential starting or security issues with the vehicle.

7. What are some DIY repair tips for addressing OBDII code B2190 in a Nissan related to the NATS Antenna Amp?

DIY repair tips may include checking and repairing any damaged wiring or connections, ensuring the car battery is in good condition, and resetting the code after addressing the underlying problem.

8. Can a malfunctioning NATS Antenna Amp cause other issues in a Nissan vehicle?

Yes, a malfunctioning NATS Antenna Amp can lead to starting problems, engine immobilization, and issues with the vehicle's security system in a Nissan.

9. How much does it typically cost to repair the NATS Antenna Amp related to OBDII code B2190 in a Nissan?

The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the NATS Antenna Amp, which can range from $100 to $300, excluding labor costs.

10. Is it recommended to seek professional help for diagnosing and repairing OBDII code B2190 in a Nissan related to the NATS Antenna Amp?

Yes, it is advisable to consult a qualified mechanic or Nissan dealership for accurate diagnosis and proper repair of the NATS Antenna Amp issue causing the OBDII code B2190.