AutoCodesGMC – P17B2 2014 GMC Sierra

P17B2 2014 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 2014 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 207
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 04, 2022
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Code P17B2 2014 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 2014 GMC Sierra - Transmission Range Control Module System High Voltage - AutoCodes.com
P17B2 2014 GMC Sierra Code - Transmission Range Control Module System High Voltage

What are the Possible Causes of the DTC P17B2 2014 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 2014 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 2014 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 2014 GMC Sierra code?

Need more information on how to fix the P17B2 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P17B2 2014 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 2014 GMC Sierra Code

1. What does the P17B2 code mean on a 2014 GMC Sierra?

The P17B2 code indicates a high voltage issue in the Transmission Range Control Module System, which monitors and controls the transmission's gear range.

2. What are the symptoms of a P17B2 code?

Common symptoms include erratic shifting, the transmission being stuck in one gear, the vehicle going into limp mode, and the illumination of the check engine light.

3. What causes the P17B2 code to appear?

Possible causes include a faulty Transmission Range Control Module, damaged wiring or connectors, a short circuit, or a malfunctioning transmission control system.

4. Can I drive my 2014 GMC Sierra with a P17B2 code?

Driving with this code is not recommended, as it can lead to further transmission damage and unsafe driving conditions due to erratic gear shifting.

5. How is the P17B2 code diagnosed?

A mechanic will use an OBDII scanner to confirm the code, inspect the Transmission Range Control Module, check the wiring and connectors, and test the transmission system for proper voltage.

6. What repairs can fix the P17B2 code?

Repairs may include replacing the Transmission Range Control Module, repairing or replacing damaged wiring, clearing any short circuits, or resetting the transmission control system.

7. How much does it cost to fix a P17B2 code?

The repair cost varies depending on the issue, but replacing the Transmission Range Control Module can cost between $300 and $1,000, plus labor.

8. Can a bad battery cause the P17B2 code?

A weak or failing battery can sometimes contribute to electrical issues, but it’s less likely to be the primary cause of this specific code.

9. Will clearing the P17B2 code solve the problem?

Clearing the code may temporarily turn off the check engine light, but the underlying issue must be fixed to prevent the code from returning.

10. Is the P17B2 code related to the transmission solenoids?

While the code specifically refers to the Transmission Range Control Module, faulty solenoids could potentially contribute to shifting issues and should be checked during diagnosis.

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