AutoCodes – Pontiac – C0202 Pontiac

C0202 Pontiac Code - Master Cylinder Pressure Sensor

Quick Answer

The Electronic Brake Control Module (EBCM) uses the input from the master cylinder pressure sensor for more accurate braking control during a vehicle stability enhancement system (VSES) event. Common causes include Faulty Master Cylinder Pressure Sensor, Master Cylinder Pressure Sensor harness is open or shorted, Master Cylinder Pressure Sensor 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: C0202 Pontiac indicates Master Cylinder Pressure Sensor.
Common causes: Common causes include Faulty Master Cylinder Pressure Sensor, Master Cylinder Pressure Sensor harness is open or shorted, Master Cylinder Pressure Sensor 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 1,241

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 May 09, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0202 Pontiac Description

OBDII Code C0202 Pontiac - Master Cylinder Pressure Sensor - AutoCodes.com — C0202 Pontiac Code - Master Cylinder Pressure Sensor

What does this mean?

What are the Possible Causes of the DTC C0202 Pontiac?

Faulty Master Cylinder Pressure Sensor
Master Cylinder Pressure Sensor harness is open or shorted
Master Cylinder Pressure Sensor circuit poor electrical connection

How to Fix the DTC C0202 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 C0202 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 C0202 Pontiac 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 C0202 Pontiac Code

1. What are the common symptoms of OBDII code C0202 Pontiac related to the Master Cylinder Pressure Sensor?

- Common symptoms include the illumination of the check engine light, issues with the brake system, and potential loss of brake performance.

2. What are the possible causes of OBDII code C0202 Pontiac for the Master Cylinder Pressure Sensor?

- Possible causes can include a faulty master cylinder pressure sensor, wiring issues, low brake fluid levels, or problems with the brake system.

3. How can I diagnose the OBDII code C0202 Pontiac related to the Master Cylinder Pressure Sensor?

- Diagnosing this code typically involves using a OBDII scanner to retrieve the specific fault code, inspecting the brake fluid levels, checking the sensor and its wiring for any damage, and testing the brake system for proper functionality.

4. Can I continue to drive my Pontiac with OBDII code C0202 related to the Master Cylinder Pressure Sensor?

- It is not recommended to drive your vehicle with this code present, as it can lead to potential brake system failures and compromise your safety on the road.

5. How can I repair OBDII code C0202 Pontiac for the Master Cylinder Pressure Sensor?

- Repair options may include replacing the faulty master cylinder pressure sensor, repairing any damaged wiring, topping up brake fluid levels, or addressing any other underlying brake system issues.

6. Are there any DIY tips for troubleshooting OBDII code C0202 Pontiac related to the Master Cylinder Pressure Sensor?

- DIY tips may include visually inspecting the sensor and wiring for any visible damage, checking brake fluid levels, and ensuring all connections are secure before seeking professional help if needed.

7. Can a faulty master cylinder pressure sensor cause other issues in my Pontiac?

- Yes, a faulty master cylinder pressure sensor can lead to brake system malfunctions, affecting overall braking performance and potentially causing safety hazards.

8. How long does it typically take to repair OBDII code C0202 Pontiac for the Master Cylinder Pressure Sensor?

- The repair time can vary depending on the exact cause of the issue, but it may take anywhere from 1-3 hours to diagnose and fix the problem properly.

9. Is it necessary to reset the OBDII system after repairing OBDII code C0202 Pontiac related to the Master Cylinder Pressure Sensor?

- Yes, it is recommended to reset the OBDII system after repairing the issue to clear the fault code and ensure that the problem has been successfully resolved.

10. Can OBDII code C0202 Pontiac for the Master Cylinder Pressure Sensor be a recurring problem?

- If the underlying cause of the issue is not properly addressed during the repair, it is possible for the code to reappear. It's essential to diagnose and fix the root cause to prevent recurrence.