AutoCodesGMC – P0980 2018 GMC Sierra

P0980 2018 GMC Sierra Code - Shift Solenoid Valve 3 Control Circuit High Voltage

Quick Answer

The Transmission Control Module (TCM) high side driver 1 supplies 12 V to pressure control solenoid valve 3. Common causes include Faulty Shift Solenoid Valve 3, Shift Solenoid Valve 3 harness is open or shorted, Shift Solenoid Valve 3 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
P0980 2018 GMC Sierra indicates Shift Solenoid Valve 3 Control Circuit High Voltage.
Common causes
Common causes include Faulty Shift Solenoid Valve 3, Shift Solenoid Valve 3 harness is open or shorted, Shift Solenoid Valve 3 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 331
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 05, 2022
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Code P0980 2018 GMC Sierra Description

The Transmission Control Module (TCM) high side driver 1 supplies 12 V to pressure control solenoid valve 3. The TCM also provides a control circuit and uses a low-side driver to control shift solenoid valve 3. The Diagnostic Trouble Code (DTC) will be set when the Transmission Control Module detects a short to voltage on the shift solenoid valve 3 control circuit for greater than 1 s.
OBDII Code P0980 2018 GMC Sierra - Shift Solenoid Valve 3 Control Circuit High Voltage - AutoCodes.com
P0980 2018 GMC Sierra Code - Shift Solenoid Valve 3 Control Circuit High Voltage

What are the Possible Causes of the DTC P0980 2018 GMC Sierra?

  • Faulty Shift Solenoid Valve 3
  • Shift Solenoid Valve 3 harness is open or shorted
  • Shift Solenoid Valve 3 circuit poor electrical connection
  • Faulty Transmission Control Module (TCM)

How to Fix the DTC P0980 2018 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 P0980 2018 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 P0980 2018 GMC Sierra code?

Need more information on how to fix the P0980 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P0980 2018 GMC Sierra Code

1. What are the common symptoms of OBDII code P0980 in a 2018 GMC Sierra?

When experiencing Shift Solenoid Valve 3 Control Circuit High Voltage (P0980) in a 2018 GMC Sierra, common symptoms may include harsh shifting, gear slippage, and difficulty changing gears.

2. What could cause the Shift Solenoid Valve 3 Control Circuit High Voltage code in a 2018 GMC Sierra?

Potential causes of the P0980 code in a 2018 GMC Sierra include a faulty shift solenoid valve, damaged wiring or connectors in the circuit, low transmission fluid, or a malfunctioning transmission control module (TCM).

3. How can I diagnose the Shift Solenoid Valve 3 Control Circuit High Voltage issue in my 2018 GMC Sierra?

Diagnosing the P0980 code involves using an OBDII scanner to retrieve the code, inspecting the shift solenoid valve and its circuit for damage, checking transmission fluid levels, and ensuring proper TCM operation.

4. Is it safe to continue driving my 2018 GMC Sierra with OBDII code P0980?

It is not recommended to drive your 2018 GMC Sierra with the P0980 code as it can lead to further damage to the transmission system. It's best to address the issue promptly to prevent potential costly repairs.

5. Can I repair the Shift Solenoid Valve 3 Control Circuit High Voltage problem in my 2018 GMC Sierra myself?

While some DIY enthusiasts may attempt to address the P0980 code, it is recommended to consult a professional mechanic with experience in diagnosing and repairing transmission issues to ensure the problem is resolved correctly.

6. How much does it typically cost to repair OBDII code P0980 in a 2018 GMC Sierra?

The cost of repairing the Shift Solenoid Valve 3 Control Circuit High Voltage code can vary depending on the underlying cause. It may range from a simple fix like replacing a solenoid valve to more extensive repairs if there are additional transmission issues.

7. Can resetting the OBDII code P0980 in my 2018 GMC Sierra make it go away permanently?

Simply resetting the P0980 code without addressing the root cause will not make it disappear permanently. The issue triggering the code needs to be identified and fixed to prevent the code from reoccurring.

8. How long does it typically take to repair the Shift Solenoid Valve 3 Control Circuit High Voltage issue in a 2018 GMC Sierra?

The repair time for the P0980 code can vary depending on the exact cause and the complexity of the repair. It could range from a quick fix to a more involved repair requiring more time.

9. Will fixing OBDII code P0980 improve the performance of my 2018 GMC Sierra's transmission?

Addressing the Shift Solenoid Valve 3 Control Circuit High Voltage issue should help improve the performance of your 2018 GMC Sierra's transmission, resolving symptoms like harsh shifting and gear slippage.

10. Are there any preventive measures to avoid encountering OBDII code P0980 in a 2018 GMC Sierra?

Regular maintenance of your 2018 GMC Sierra, including checking transmission fluid levels, inspecting wiring connections, and promptly addressing any transmission issues, can help prevent the occurrence of the P0980 code.

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