AutoCodes – Pontiac – B2533 Pontiac

B2533 Pontiac Code - Lamp Relay Control Circuit Is Shorted To Battery Positive Voltage

Quick Answer

The Fog Lamp Relay is controlled by the Body Control Module (BCM). Common causes include Faulty Fog Lamp Relay, Fog Lamp Relay harness is open or shorted, Fog Lamp 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: B2533 Pontiac indicates Lamp Relay Control Circuit Is Shorted To Battery Positive Voltage.
Common causes: Common causes include Faulty Fog Lamp Relay, Fog Lamp Relay harness is open or shorted, Fog Lamp 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.

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Code Popularity 489

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 Jan 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2533 Pontiac Description

The Fog Lamp Relay is controlled by the Body Control Module (BCM). Battery positive voltage is applied to the coil side of the fog lamp relay. The BCM grounds the fog lamp relay control circuit in order to turn on the fog lamp relay. When the fog lamp relay control circuit becomes shorted to battery positive voltage, DTC B2533 is set.

OBDII Code B2533 Pontiac - Lamp Relay Control Circuit Is Shorted To Battery Positive Voltage - AutoCodes.com — B2533 Pontiac Code - Lamp Relay Control Circuit Is Shorted To Battery Positive Voltage

What does this mean?

What are the Possible Causes of the DTC B2533 Pontiac?

Faulty Fog Lamp Relay
Fog Lamp Relay harness is open or shorted
Fog Lamp Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B2533 Pontiac?

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 B2533 Pontiac 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 B2533 Pontiac code?

Need more information on how to fix the B2533 Pontiac 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 B2533 Pontiac Code

1. What are the common symptoms of OBDII code B2533 in a Pontiac?

- Common symptoms include illuminated dashboard warning lights, such as the check engine light, and issues with the vehicle's lighting system.

2. What causes the Lamp Relay Control Circuit to be shorted to battery positive voltage in a Pontiac?

- This issue is often caused by a wiring short circuit, a faulty lamp relay, or a malfunctioning control module.

3. How can I diagnose the source of the short circuit causing code B2533 in my Pontiac?

- Use a multimeter to check for continuity and shorts in the wiring harness, inspect the lamp relay for signs of damage, and perform a thorough visual inspection of the circuit components.

4. Is it safe to continue driving my Pontiac with OBDII code B2533 present?

- It is not recommended to drive the vehicle with this code active, as it can lead to further electrical malfunctions and potential safety hazards.

5. Can I repair OBDII code B2533 in my Pontiac myself, or do I need professional help?

- Depending on your skill level and access to tools, you may be able to troubleshoot and repair this issue yourself. However, seeking professional help is recommended for complex electrical repairs.

6. Are there any specific repair tips for fixing the Lamp Relay Control Circuit shorted to battery positive voltage in a Pontiac?

- Ensure to carefully inspect and repair any damaged wiring, replace the faulty lamp relay if needed, and reset the fault codes after completing the repairs.

7. Will resetting the fault codes make OBDII code B2533 go away permanently in my Pontiac?

- Resetting the fault codes may temporarily clear the code, but if the underlying issue causing the short circuit is not addressed, the code is likely to reappear.

8. How much does it typically cost to repair OBDII code B2533 in a Pontiac at a professional repair shop?

- The cost of repair can vary depending on the extent of the damage, parts needed for replacement, and labor rates in your area. It is advisable to obtain quotes from multiple shops for an accurate estimate.

9. Can a faulty battery or alternator cause OBDII code B2533 to trigger in a Pontiac?

- While a faulty battery or alternator can cause electrical issues, they are not typically direct causes of the Lamp Relay Control Circuit shorted to battery positive voltage code.