AutoCodes – GMC – P1831 GMC

P1831 GMC Code - PC Solenoid Power Circuit Low Voltage

Quick Answer

The Transmission Control Module (TCM) monitors the PC Solenoid. Common causes include Faulty PC Solenoid, PC Solenoid harness is open or shorted, PC 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: P1831 GMC indicates PC Solenoid Power Circuit Low Voltage.
Common causes: Common causes include Faulty PC Solenoid, PC Solenoid harness is open or shorted, PC 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 1,658

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 30, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1831 GMC Description

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

OBDII Code P1831 GMC - PC Solenoid Power Circuit Low Voltage - AutoCodes.com — P1831 GMC Code - PC Solenoid Power Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P1831 GMC?

Faulty PC Solenoid
PC Solenoid harness is open or shorted
PC Solenoid circuit poor electrical connection

How to Fix the DTC P1831 GMC?

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 P1831 GMC 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 P1831 GMC 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 P1831 GMC Code

1. What are common symptoms of OBDII code P1831 GMC (PC Solenoid Power Circuit Low Voltage)?

- Common symptoms include rough shifting, transmission slipping, decreased fuel efficiency, and the illumination of the Check Engine Light.

2. What causes OBDII code P1831 GMC to trigger?

- This code is typically triggered by a malfunction in the power circuit supplying the pressure control (PC) solenoid in the transmission.

3. How serious is OBDII code P1831 GMC?

- While this code may not cause immediate harm to the vehicle, it can lead to transmission issues if left unaddressed. It is recommended to address the problem promptly.

4. How can I diagnose the cause of OBDII code P1831 GMC?

- A thorough diagnostic scan using an OBDII scanner can help pinpoint the exact issue. Further testing of the power circuit and PC solenoid may be necessary.

5. Can I continue driving with OBDII code P1831 GMC present?

- It is not advisable to continue driving with this code present, as it can lead to further transmission problems and potential safety hazards.

6. What are some possible repair tips for fixing OBDII code P1831 GMC?

- Repair tips may include checking the wiring and connectors in the power circuit, testing the PC solenoid, and ensuring proper voltage supply to the solenoid.

7. Is it possible to clear OBDII code P1831 GMC without fixing the underlying issue?

- While it is possible to clear the code temporarily, it is not recommended as the problem will likely resurface. It's best to address the root cause of the issue.

8. How much does it typically cost to repair OBDII code P1831 GMC?

- Repair costs can vary depending on the extent of the issue and whether it can be fixed by replacing a faulty component or if more extensive repairs are needed. It is recommended to consult a mechanic for an accurate estimate.

9. Are there any preventive measures to avoid triggering OBDII code P1831 GMC?

- Regular maintenance of the transmission system, including fluid changes and inspections, can help prevent issues that may lead to the triggering of this code.

10. Can a DIY enthusiast attempt to fix OBDII code P1831 GMC?

- While some DIY enthusiasts may have the skills to address this issue, it is recommended to consult a professional mechanic, especially when dealing with transmission-related problems, to ensure proper diagnosis and repair.