AutoCodes – Cadillac – B1433 Cadillac

B1433 Cadillac 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 Cadillac 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 976

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

What does this mean?

What are the Possible Causes of the DTC B1433 Cadillac?

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 Cadillac?

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 Cadillac 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 Cadillac code?

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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 Cadillac Code

1. What are the common symptoms of OBDII code B1433 Cadillac (Ignition Switched Power Relay 2 Circuit)?

- Common symptoms include difficulty starting the vehicle, intermittent stalling, and loss of power to certain electrical components.

2. What can cause the OBDII code B1433 Cadillac to trigger?

- The code can be triggered by a faulty ignition switched power relay 2, a loose or corroded connection in the circuit, or a damaged wiring harness.

3. How can I diagnose the cause of OBDII code B1433 Cadillac?

- To diagnose the issue, you can start by checking the ignition switched power relay 2, inspecting the wiring harness for damage, and testing for continuity in the circuit.

4. What are some possible repair tips for OBDII code B1433 Cadillac?

- Repair tips include replacing the faulty ignition switched power relay 2, repairing any damaged wiring, and ensuring all connections are secure and free of corrosion.

5. Can OBDII code B1433 Cadillac cause any long-term damage if left unresolved?

- Ignoring the code can lead to potential issues with starting the vehicle, electrical system malfunctions, and even engine stalling, so it is important to address the problem promptly.

6. Is it safe to continue driving with OBDII code B1433 Cadillac present?

- It is not recommended to drive with the code present, as it can affect the overall performance and reliability of your vehicle.

7. How much does it typically cost to repair OBDII code B1433 Cadillac?

- The cost of repair can vary depending on the underlying issue, but it may range from $100 to $300 for parts and labor.

8. Can I reset OBDII code B1433 Cadillac on my own?

- You can reset the code using an OBDII scanner, but it is important to address the root cause of the issue to prevent the code from reoccurring.

9. Are there any preventative measures to avoid triggering OBDII code B1433 Cadillac?

- Regularly inspecting and maintaining the electrical components in your vehicle can help prevent issues that may lead to the code being triggered.

10. Is OBDII code B1433 Cadillac a common issue in Cadillac vehicles?

- While not extremely common, issues with the ignition switched power relay 2 circuit can occur in Cadillac vehicles, particularly in older models or those with high mileage.