AutoCodes – Toyota – B2273 Toyota

B2273 Toyota Code - Ignition 2 Monitor Malfunction

Quick Answer

This Diagnostic Trouble Code (DTC) is output when there is a problem in the Ignition 2 (IG2) output circuit, which is from the inside of the Main Body ECU to the Ignition 2 (IG2) Relay. Common causes include Faulty Ignition 2 (IG2) Relay, Ignition 2 (IG2) Relay harness is open or shorted, Ignition 2 (IG2) Relay 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: B2273 Toyota indicates Ignition 2 Monitor Malfunction.
Common causes: Common causes include Faulty Ignition 2 (IG2) Relay, Ignition 2 (IG2) Relay harness is open or shorted, Ignition 2 (IG2) Relay 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,241

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 Oct 29, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B2273 Toyota Description

This Diagnostic Trouble Code (DTC) is output when there is a problem in the Ignition 2 (IG2) output circuit, which is from the inside of the Main Body ECU to the Ignition 2 (IG2) Relay.

OBDII Code B2273 Toyota - Ignition 2 Monitor Malfunction - AutoCodes.com — B2273 Toyota Code - Ignition 2 Monitor Malfunction

What does this mean?

What are the Possible Causes of the DTC B2273 Toyota?

Faulty Ignition 2 (IG2) Relay
Ignition 2 (IG2) Relay harness is open or shorted
Ignition 2 (IG2) Relay circuit poor electrical connection
Faulty Main Body ECU

How to Fix the DTC B2273 Toyota?

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 B2273 Toyota 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 B2273 Toyota code?

Need more information on how to fix the B2273 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2273 Toyota 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 B2273 Toyota Code

1. What is OBDII code B2273 Toyota?

- OBDII code B2273 in Toyota vehicles indicates an Ignition 2 Monitor Malfunction.

2. What are the common symptoms of OBDII code B2273 Toyota?

- Common symptoms of code B2273 include issues with the ignition system, such as difficulty starting the car, misfiring, or poor engine performance.

3. What are the possible causes of OBDII code B2273 Toyota?

- The code B2273 in Toyota vehicles can be triggered by faulty ignition coils, wiring issues, a defective ignition switch, or a problem with the Engine Control Module (ECM).

4. How can I diagnose OBDII code B2273 Toyota?

- To diagnose code B2273, it is recommended to use an OBDII scanner to read the code and then perform a thorough inspection of the ignition system components and wiring for any signs of damage or malfunction.

5. How do I repair OBDII code B2273 Toyota?

- Repairing code B2273 may involve replacing faulty ignition coils, repairing damaged wiring, checking and potentially replacing the ignition switch, or reprogramming the ECM if necessary.

6. Can OBDII code B2273 Toyota cause any other issues with the vehicle?

- Ignoring or neglecting to address code B2273 can lead to poor engine performance, reduced fuel efficiency, and potential long-term damage to the ignition system components.

7. Is it safe to continue driving with OBDII code B2273 Toyota?

- It is not recommended to drive the vehicle with an active B2273 code, as it can lead to potential safety hazards and further damage to the engine components.

8. How much does it typically cost to repair OBDII code B2273 Toyota at a mechanic or dealership?

- The cost of repairing code B2273 can vary depending on the exact cause of the issue, but it may range from $200 to $500 at a mechanic or dealership, including parts and labor.

9. Can OBDII code B2273 Toyota be reset without fixing the underlying issue?

- While the code can be cleared using an OBDII scanner, it is crucial to address the root cause of the problem to prevent the code from reoccurring and ensure the vehicle operates correctly.

10. Are there any preventive maintenance tips to avoid OBDII code B2273 Toyota?

- To prevent code B2273, it is essential to regularly maintain the ignition system components, including spark plugs, ignition coils, and wiring, as part of routine vehicle maintenance.