AutoCodes – GMC – P17B2 2015 GMC Sierra

P17B2 2015 GMC Sierra Code - Transmission Range Control Module System High Voltage

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: P17B2 2015 GMC Sierra indicates Transmission Range Control Module System High Voltage.
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 174

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 P17B2 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 P17B2 2015 GMC Sierra - Transmission Range Control Module System High Voltage - AutoCodes.com — P17B2 2015 GMC Sierra Code - Transmission Range Control Module System High Voltage

What does this mean?

What are the Possible Causes of the DTC P17B2 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 P17B2 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 P17B2 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 P17B2 2015 GMC Sierra code?

Need more information on how to fix the P17B2 2015 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P17B2 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 P17B2 2015 GMC Sierra Code

1. What are common symptoms of OBDII code P17B2 in a 2015 GMC Sierra related to the Transmission Range Control Module System High Voltage?

- Common symptoms include harsh shifting, transmission slipping, and the inability to shift gears smoothly.

2. What are possible causes of OBDII code P17B2 in a 2015 GMC Sierra?

- Possible causes include a faulty transmission range control module, damaged wiring or connectors, or issues with the transmission control module.

3. How can I diagnose the root cause of OBDII code P17B2 in my 2015 GMC Sierra?

- Diagnose the issue by conducting a thorough inspection of the transmission range control module and its wiring, as well as testing the transmission control module for any faults.

4. Can I continue driving my 2015 GMC Sierra with OBDII code P17B2 present?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the transmission system.

5. What are some repair tips for fixing OBDII code P17B2 in a 2015 GMC Sierra?

- Repair tips include checking and repairing any damaged wiring or connectors, replacing the faulty transmission range control module, and resetting the transmission control module.

6. Is OBDII code P17B2 in a 2015 GMC Sierra a serious issue?

- Yes, this code indicates a potential problem with the Transmission Range Control Module System High Voltage, which can affect the performance and safety of the vehicle.

7. How much does it typically cost to repair OBDII code P17B2 in a 2015 GMC Sierra?

- The cost of repairing this code can vary depending on the extent of the damage and the specific components that need to be replaced, but it can range from a few hundred to over a thousand dollars.

8. Can I reset the OBDII code P17B2 in my 2015 GMC Sierra without fixing the underlying issue?

- While you can clear the code using an OBDII scanner, it is important to address the root cause of the problem to prevent further issues with the transmission system.

9. Will OBDII code P17B2 cause my 2015 GMC Sierra to go into limp mode?

- Depending on the severity of the issue, the vehicle may go into limp mode as a safety measure to prevent further damage to the transmission system.

10. How long does it take to repair OBDII code P17B2 in a 2015 GMC Sierra?

- The repair time can vary based on the extent of the damage and the availability of parts, but it typically takes a few hours to a full day to address this code.