AutoCodes – Chevrolet – B1433 Chevrolet

B1433 Chevrolet Code - Ignition Switched Power Relay 2 Circuit

Quick Answer

The Body Control Module (BCM) supplies voltage to the HVAC module and the windshield washer solvent heater. Common causes include Faulty Ignition Switched Power Relay 2, Ignition Switched Power Relay 2 harness is open or shorted, Ignition Switched Power Relay 2 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: B1433 Chevrolet indicates Ignition Switched Power Relay 2 Circuit.
Common causes: Common causes include Faulty Ignition Switched Power Relay 2, Ignition Switched Power Relay 2 harness is open or shorted, Ignition Switched Power Relay 2 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 3,977

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 Apr 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1433 Chevrolet Description

The Body Control Module (BCM) supplies voltage to the HVAC module and the windshield washer solvent heater. Voltage is applied when any of the following conditions are true: Ignition Switch is in ACC or RUN, the vehicle was remote started, the vehicle is in Retained Accessory Power (RAP) mode. The Diagnostic Trouble Code (DTC) will set only when the module requests the output and there is a short to ground in the run relay coil control circuit.

OBDII Code B1433 Chevrolet - Ignition Switched Power Relay 2 Circuit - AutoCodes.com — B1433 Chevrolet Code - Ignition Switched Power Relay 2 Circuit

What does this mean?

What are the Possible Causes of the DTC B1433 Chevrolet?

Faulty Ignition Switched Power Relay 2
Ignition Switched Power Relay 2 harness is open or shorted
Ignition Switched Power Relay 2 circuit poor electrical connection

How to Fix the DTC B1433 Chevrolet?

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 B1433 Chevrolet 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 B1433 Chevrolet code?

Need more information on how to fix the B1433 Chevrolet code? Get Access to Factory Service Manuals

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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 B1433 Chevrolet Code

1. What are common symptoms of OBDII code B1433 for Chevrolet related to the Ignition Switched Power Relay 2 Circuit?

- Common symptoms include intermittent starting issues, engine stalling, and difficulty turning the ignition key.

2. What can cause the OBDII code B1433 Chevrolet related to the Ignition Switched Power Relay 2 Circuit?

- Possible causes include a faulty ignition switch, damaged wiring or connectors, or a malfunctioning power relay.

3. How can I diagnose the issue causing the B1433 code for Chevrolet Ignition Switched Power Relay 2 Circuit?

- A thorough inspection of the ignition switch, relay, and related wiring is recommended. Testing the components for proper voltage and continuity can help pinpoint the problem.

4. Can I repair the B1433 OBDII code for Chevrolet on my own?

- Depending on your level of experience and access to tools, you may be able to repair the issue yourself by replacing the faulty ignition switch, relay, or repairing damaged wiring.

5. Is it safe to continue driving with the B1433 code related to the Ignition Switched Power Relay 2 Circuit?

- It is not recommended to drive with unresolved electrical issues, as they can lead to unexpected stalling or failure to start the vehicle. Address the problem promptly.

6. Are there any DIY tips for troubleshooting the B1433 code on a Chevrolet?

- You can start by checking the fuse related to the ignition system, inspecting the ignition switch for signs of wear, and ensuring all wiring connections are secure and free of corrosion.

7. How much does it typically cost to repair the B1433 Chevrolet code for Ignition Switched Power Relay 2 Circuit?

- The cost of repairs can vary depending on the extent of the issue and whether you choose to do the work yourself or take your vehicle to a professional mechanic. Costs may range from a few hundred to a thousand dollars.

8. Will resetting the OBDII code B1433 for Chevrolet temporarily fix the issue?

- Resetting the code may temporarily clear the warning light, but if the underlying problem is not addressed, the code is likely to reappear once the issue resurfaces.

9. Can a B1433 code on a Chevrolet trigger other related codes or issues?

- Yes, unresolved issues with the Ignition Switched Power Relay 2 Circuit can lead to further electrical problems, such as poor engine performance, increased fuel consumption, or failure to start.

10. How long does it typically take to repair the B1433 OBDII code for Chevrolet related to the Ignition Switched Power Relay 2 Circuit?

- The repair time can vary depending on the complexity of the issue and your experience level. It may take anywhere from a couple of hours to a full day to diagnose and fix the problem.