AutoCodes – Generic – C1009

C1009 Code - Brake Fluid Level Low

Quick Answer

The Totally Integrated Power Module (TIPM) Module monitors the Brake Fluid Level Sensor voltage. Common causes include Low Brake Fluid, Faulty Brake Fluid Level Sensor, Brake Fluid Level Sensor 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: C1009 indicates Brake Fluid Level Low.
Common causes: Common causes include Low Brake Fluid, Faulty Brake Fluid Level Sensor, Brake Fluid Level Sensor 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 5,453

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 Aug 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1009 Description

The Totally Integrated Power Module (TIPM) Module monitors the Brake Fluid Level Sensor voltage. The TIPM set the OBDII code when it detects the Brake Fluid Level Sensor voltage is lower than expected for more than five seconds.

OBDII Code C1009 - Brake Fluid Level Low - AutoCodes.com — C1009 Code - Brake Fluid Level Low

What does this mean?

What are the Possible Causes of the DTC C1009?

Low Brake Fluid
Faulty Brake Fluid Level Sensor
Brake Fluid Level Sensor harness is open or shorted
Brake Fluid Level Sensor circuit poor electrical connection

How to Fix the DTC C1009?

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 C1009 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 C1009 code?

Need more information on how to fix the C1009 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1009 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1009 Chrysler — Brake Fluid Level Low
C1009 Dodge — Brake Fluid Level Low
C1009 Jeep — Brake Fluid Level Low

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 C1009 Code

1. What are the common symptoms of OBDII code C1009 (Brake Fluid Level Low)?

- The common symptoms include the illumination of the brake warning light on the dashboard and a message indicating low brake fluid level.

2. What are the possible causes of OBDII code C1009?

- The code C1009 is typically triggered when the brake fluid level in the reservoir drops below a specified threshold due to a leak, worn brake pads, or excessive brake fluid consumption.

3. How can I diagnose OBDII code C1009?

- To diagnose code C1009, you can visually inspect the brake fluid reservoir to check the fluid level and look for any signs of leaks in the brake system. Using a diagnostic scanner to read the code and reset it after addressing the issue is also recommended.

4. What should I do if I get OBDII code C1009?

- If you get code C1009, you should first check the brake fluid level in the reservoir and top it up if necessary. Next, inspect the brake system components for leaks or wear, and address any issues found to prevent further damage.

5. Can I continue driving with OBDII code C1009?

- It is not recommended to continue driving with OBDII code C1009, as low brake fluid level can compromise braking performance and safety. It is best to address the issue promptly to ensure the proper functioning of the brake system.

6. How do I repair OBDII code C1009?

- To repair code C1009, you need to identify and fix the root cause of the low brake fluid level, which may involve repairing leaks, replacing worn brake components, or topping up the brake fluid. Once the issue is resolved, you can clear the code using a diagnostic scanner.

7. Is it safe to top up brake fluid to clear OBDII code C1009?

- Topping up brake fluid to address code C1009 is a temporary solution. It is important to investigate the reason for the low fluid level and address any underlying issues to ensure the safety and proper functioning of the brake system.

8. What are the potential dangers of ignoring OBDII code C1009?

- Ignoring OBDII code C1009 can lead to decreased braking performance, potential brake system failure, and compromised safety on the road. It is crucial to address the issue promptly to prevent accidents and further damage to the vehicle.

9. Can weather conditions affect OBDII code C1009?

- Extreme weather conditions, such as temperature fluctuations, can impact the brake fluid level and trigger code C1009. It is important to regularly check the brake fluid level and monitor for any changes, especially during weather variations.

10. How often should I check the brake fluid level to prevent OBDII code C1009?

- It is recommended to check the brake fluid level regularly, ideally during routine maintenance checks or every few months, to ensure it is at the proper level and prevent triggering code C1009 due to low brake fluid.