AutoCodes – Pontiac – B0936 Pontiac

B0936 Pontiac Code - Coolant Level Sensor Circuit Malfunction

Quick Answer

The P0936 Diagnostic Trouble Code (DTC) sets when the ignition switch is in RUN position and coolant level is low. Common causes include Low Coolant Level, Faulty Low Coolant Switch, Coolant Low Switch harness is open or shorted. 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: B0936 Pontiac indicates Coolant Level Sensor Circuit Malfunction.
Common causes: Common causes include Low Coolant Level, Faulty Low Coolant Switch, Coolant Low Switch harness is open or shorted.
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 944

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 Nov 18, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B0936 Pontiac Description

The P0936 Diagnostic Trouble Code (DTC) sets when the ignition switch is in RUN position and coolant level is low. No voltage on the wire between Body Control Module (BCM) and low Coolant Switch for more than 30 seconds.

OBDII Code B0936 Pontiac - Coolant Level Sensor Circuit Malfunction - AutoCodes.com — B0936 Pontiac Code - Coolant Level Sensor Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC B0936 Pontiac?

Low Coolant Level
Faulty Low Coolant Switch
Coolant Low Switch harness is open or shorted
Coolant Low Switch circuit poor electrical connection

How to Fix the DTC B0936 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 B0936 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.

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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 B0936 Pontiac Code

1. What are the common symptoms of OBDII code B0936 (Pontiac) - Coolant Level Sensor Circuit Malfunction?

- Common symptoms include frequent low coolant warnings on the dashboard, engine overheating, and coolant leaks.

2. What are the typical causes of OBDII code B0936 (Pontiac) - Coolant Level Sensor Circuit Malfunction?

- The main causes can be a faulty coolant level sensor, damaged wiring or connectors in the sensor circuit, or low coolant levels.

3. How can I diagnose the Coolant Level Sensor Circuit Malfunction in my Pontiac?

- You can diagnose this issue by visually inspecting the coolant level sensor and its connections, testing the sensor's resistance, and checking the coolant level in the reservoir.

4. Can I continue driving my Pontiac with OBDII code B0936 (Coolant Level Sensor Circuit Malfunction)?

- It is not recommended to drive your vehicle with this code active, as it can lead to engine overheating and potential damage. It's best to address the issue promptly.

5. How can I repair OBDII code B0936 in my Pontiac related to the Coolant Level Sensor Circuit Malfunction?

- Repair options include replacing the faulty coolant level sensor, repairing or replacing damaged wiring or connectors, and ensuring proper coolant levels.

6. Are there any DIY tips for fixing OBDII code B0936 (Pontiac) - Coolant Level Sensor Circuit Malfunction?

- DIY enthusiasts can attempt to replace the coolant level sensor themselves using basic tools and following manufacturer guidelines. However, if unsure, it's best to consult a professional.

7. Will resetting the OBDII code B0936 clear the issue with the Coolant Level Sensor Circuit Malfunction?

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

8. How much does it typically cost to repair OBDII code B0936 (Pontiac) - Coolant Level Sensor Circuit Malfunction?

- The cost of repair can vary depending on the cause of the issue and whether you choose to fix it yourself or seek professional help. Costs can range from relatively inexpensive for DIY repairs to more costly for sensor replacements by a mechanic.

9. Can a Coolant Level Sensor Circuit Malfunction cause other problems in my Pontiac?

- Yes, if left unresolved, a Coolant Level Sensor Circuit Malfunction can lead to engine overheating, potential head gasket damage, and other serious issues that may affect the performance of your vehicle.

10. How often should the coolant level sensor be checked in a Pontiac to prevent issues like OBDII code B0936?

- It is recommended to include checking the coolant level sensor during regular maintenance intervals, such as oil changes, and to visually inspect it for any signs of damage or malfunction.