AutoCodes – Nissan – B2198 Nissan

B2198 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 NATS Antenna Amp, NATS Antenna Amp harness is open or shorted, NATS Antenna Amp 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: B2198 Nissan indicates NATS Antenna Amp.
Common causes: Common causes include Faulty NATS Antenna Amp, NATS Antenna Amp harness is open or shorted, NATS Antenna Amp 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 22,851

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 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2198 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 B2198 Nissan - NATS Antenna Amp - AutoCodes.com — B2198 Nissan Code - NATS Antenna Amp

What does this mean?

What are the Possible Causes of the DTC B2198 Nissan?

Faulty NATS Antenna Amp
NATS Antenna Amp harness is open or shorted
NATS Antenna Amp circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B2198 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 B2198 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.

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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 B2198 Nissan Code

1. What does the OBDII code B2198 indicate on a Nissan?

The B2198 code on a Nissan indicates a malfunction in the NATS (Nissan Anti-Theft System) antenna amplifier, which is part of the system responsible for reading the security code from the key fob.

2. What are the common symptoms of code B2198 in a Nissan?

Symptoms may include the engine not starting, the immobilizer warning light turning on, and possibly other electrical components behaving erratically.

3. What causes the B2198 code to appear on a Nissan?

Common causes include a faulty NATS antenna amplifier, damaged wiring or connectors related to the NATS system, or a problem with the key fob itself.

4. How can I diagnose the B2198 code in my Nissan?

Diagnosis involves checking the NATS antenna amplifier for any visible signs of damage, testing the electrical connections and wiring for continuity and proper voltage, and ensuring the key fob is functioning correctly.

5. What are the repair options for a Nissan showing the B2198 code?

Repairs might involve replacing the NATS antenna amplifier, repairing any damaged wiring or connectors, or replacing the key fob if it is found to be defective.

6. Is it safe to drive a Nissan with the B2198 code active?

While it might be safe to drive, the vehicle might not start if the system cannot properly read the security code from the key fob, leaving you stranded. It is advisable to address the issue promptly.

7. Can a dead battery in the key fob trigger the B2198 code on a Nissan?

Yes, a dead battery in the key fob can lead to the B2198 code, as the NATS system may fail to receive the necessary signal from the key fob, misinterpreting it as an unauthorized attempt to start the vehicle.

8. How urgent is it to fix the B2198 code on a Nissan?

It is quite urgent to fix this issue to ensure your vehicle starts consistently and to maintain the security features of your vehicle functioning properly.