AutoCodes – GMC – P17B1 2015 GMC Sierra

P17B1 2015 GMC Sierra Code - Transmission Range Control Module System Voltage Performance

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Faulty Transmission Range Control Module, Transmission Range Control Module harness is open or shorted, Transmission Range Control Module 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: P17B1 2015 GMC Sierra indicates Transmission Range Control Module System Voltage Performance.
Common causes: Common causes include Faulty Transmission Range Control Module, Transmission Range Control Module harness is open or shorted, Transmission Range Control Module 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 212

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 Jul 04, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P17B1 2015 GMC Sierra Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Diagnostic Trouble Code (DTC) will be set when the Transmission Range Control Module detects a system voltage below or above a threshold.

OBDII Code P17B1 2015 GMC Sierra - Transmission Range Control Module System Voltage Performance - AutoCodes.com — P17B1 2015 GMC Sierra Code - Transmission Range Control Module System Voltage Performance

What does this mean?

What are the Possible Causes of the DTC P17B1 2015 GMC Sierra?

Faulty Transmission Range Control Module
Transmission Range Control Module harness is open or shorted
Transmission Range Control Module circuit poor electrical connection

How to Fix the DTC P17B1 2015 GMC Sierra?

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 P17B1 2015 GMC Sierra 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 P17B1 2015 GMC Sierra code?

Need more information on how to fix the P17B1 2015 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P17B1 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 P17B1 2015 GMC Sierra Code

1. What does the OBDII code P17B1 mean on a 2015 GMC Sierra?

P17B1 indicates an issue with the Transmission Range Control Module System Voltage Performance, meaning the voltage is outside the expected range for proper operation.

2. What are the common symptoms of code P17B1 on a GMC Sierra?

Symptoms may include a check engine light, erratic shifting, transmission stuck in one gear, or the truck failing to start.

3. What causes the P17B1 code to appear in a 2015 GMC Sierra?

Common causes include a faulty transmission range control module, wiring or connector issues, low battery voltage, or a failing alternator.

4. Can I drive my 2015 GMC Sierra with the P17B1 code?

While it may still be drivable, doing so can lead to further transmission damage or unsafe driving conditions. It's best to address the issue promptly.

5. How do I diagnose the P17B1 code on my GMC Sierra?

Start by checking the battery voltage, inspecting wiring and connectors for damage or corrosion, and testing the transmission range control module for proper operation.

6. How can low battery voltage cause the P17B1 code?

The transmission range control module relies on stable voltage to function. A weak or failing battery can cause voltage drops, triggering the code.

7. What repairs are needed to fix the P17B1 code on a GMC Sierra?

Repairs may include replacing the transmission range control module, repairing damaged wiring, cleaning corroded connectors, or replacing the battery or alternator.

8. How much does it cost to fix the P17B1 code on a 2015 GMC Sierra?

Repair costs vary, but replacing the transmission range control module can range from $300 to $700, plus diagnostic and labor fees.

9. Can a software update fix the P17B1 code in a GMC Sierra?

In some cases, a software update for the transmission control module may resolve the issue, but this depends on the specific problem and vehicle history.

10. Do I need a professional mechanic to fix the P17B1 code?

While basic checks like inspecting the battery and connectors can be done at home, diagnosing and repairing module or wiring issues may require a professional mechanic with specialized tools.