AutoCodes – Generic – P17B5

P17B5 Code - Low Brake Solenoid

Quick Answer

The Transmission Control Module (TCM) monitors the Low Brake Solenoid. Common causes include Faulty Low Brake Solenoid, Low Brake Solenoid harness is open or shorted, Low Brake Solenoid 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: P17B5 indicates Low Brake Solenoid.
Common causes: Common causes include Faulty Low Brake Solenoid, Low Brake Solenoid harness is open or shorted, Low Brake Solenoid 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 2,488

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 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P17B5 Description

The Transmission Control Module (TCM) monitors the Low Brake Solenoid. The TCM sets the OBDII code when the Low Brake Solenoid is not to factory specifications.

OBDII Code P17B5 - Low Brake Solenoid - AutoCodes.com — P17B5 Code - Low Brake Solenoid

What does this mean?

What are the Possible Causes of the DTC P17B5?

Faulty Low Brake Solenoid
Low Brake Solenoid harness is open or shorted
Low Brake Solenoid circuit poor electrical connection
Faulty CVT

How to Fix the DTC P17B5?

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 P17B5 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 P17B5 code?

Need more information on how to fix the P17B5 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P17B5 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P17B5 Infiniti — Low Brake Solenoid
P17B5 Nissan — Low Brake Solenoid

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 P17B5 Code

1. What are the common symptoms of OBDII code P17B5 (Low Brake Solenoid)?

- Common symptoms include difficulty shifting gears, delayed gear engagement, and decreased overall transmission performance.

2. What are the possible causes of OBDII code P17B5?

- Potential causes of this code include a faulty brake solenoid, damaged wiring or connectors, low transmission fluid levels, or a malfunctioning transmission control module.

3. How can I diagnose the issue related to code P17B5?

- Diagnosis involves using a professional OBDII scanner to read the code, conducting a visual inspection of the brake solenoid and related components, and testing the solenoid's electrical connections.

4. Can I continue driving my vehicle with OBDII code P17B5?

- It is not recommended to drive your vehicle with this code present, as it can lead to further damage to the transmission and may result in unsafe driving conditions.

5. How can I repair OBDII code P17B5 (Low Brake Solenoid)?

- Repair options include replacing the faulty brake solenoid, repairing any damaged wiring or connectors, ensuring proper transmission fluid levels, and resetting the trouble code.

6. Is it possible to clear the OBDII code P17B5 without fixing the issue?

- While you can clear the code temporarily, it is crucial to address the underlying problem causing the code to prevent further transmission issues.

7. How much does it typically cost to repair OBDII code P17B5?

- The cost of repair can vary depending on the specific cause of the code, but it may range from $200 to $600, including parts and labor.

8. Can a DIY enthusiast fix OBDII code P17B5 at home?

- Repairing this code may require advanced knowledge and tools, so it is recommended to consult with a professional mechanic or transmission specialist for proper diagnosis and repair.

9. What other related codes might be triggered along with P17B5?

- Other related codes that may be triggered include P17B6 (High Brake Solenoid), P17B4 (Brake Band Solenoid Valve Stuck), and P17B3 (Brake Band Solenoid Valve Malfunction).

10. How can I prevent OBDII code P17B5 from recurring in the future?

- Regularly maintaining your vehicle, checking transmission fluid levels, and addressing any warning signs promptly can help prevent the reoccurrence of code P17B5.