AutoCodes – Chevrolet – P2817 2017 Chevrolet Silverado

P2817 2017 Chevrolet Silverado Code - Transmission Control Solenoid Valve 8 Stuck Off

Quick Answer

The Transmission Control Module (TCM) uses the vehicle speed signal to determine the actual gear position (1st, 2nd, 3rd, 4th. Common causes include Faulty Transfer Case Shift Control Switch, Transfer Case Shift Control Switch harness is open or shorted, Transfer Case Shift Control Switch 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: P2817 2017 Chevrolet Silverado indicates Transmission Control Solenoid Valve 8 Stuck Off.
Common causes: Common causes include Faulty Transfer Case Shift Control Switch, Transfer Case Shift Control Switch harness is open or shorted, Transfer Case Shift Control Switch 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 258

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 Mar 25, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2817 2017 Chevrolet Silverado Description

The Transmission Control Module (TCM) uses the vehicle speed signal to determine the actual gear position (1st, 2nd, 3rd, 4th. 5th or 6th gear). The solenoid valve controls the flow of transmission fluid to the hydraulic valve that controls the system pressure in the transmission. Then the TCM compares the actual gear with the shift schedule in the TCM memory to detect shift solenoid valves and valve body mechanical problems.

OBDII Code P2817 2017 Chevrolet Silverado - Transmission Control Solenoid Valve 8 Stuck Off - AutoCodes.com — P2817 2017 Chevrolet Silverado Code - Transmission Control Solenoid Valve 8 Stuck Off

What does this mean?

What are the Possible Causes of the DTC P2817 2017 Chevrolet Silverado?

Faulty Transfer Case Shift Control Switch
Transfer Case Shift Control Switch harness is open or shorted
Transfer Case Shift Control Switch circuit poor electrical connection

How to Fix the DTC P2817 2017 Chevrolet Silverado?

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 P2817 2017 Chevrolet Silverado 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 P2817 2017 Chevrolet Silverado code?

Need more information on how to fix the P2817 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P2817 2017 Chevrolet Silverado Code

1. What does the OBDII code P2817 mean on a 2017 Chevrolet Silverado?

P2817 indicates that the Transmission Control Solenoid Valve 8 is stuck in the "off" position, affecting the transmission's ability to shift properly.

2. What are the common symptoms of a P2817 code in a 2017 Chevrolet Silverado?

Symptoms may include rough shifting, delayed gear engagement, slipping gears, poor fuel efficiency, and the Check Engine Light being illuminated.

3. What causes the P2817 code on a 2017 Chevrolet Silverado?

Common causes include a faulty transmission control solenoid, wiring issues, low transmission fluid, or internal transmission problems such as debris or wear.

4. Can driving with the P2817 code damage my 2017 Chevrolet Silverado?

Yes, continuing to drive with this issue can cause further damage to the transmission and reduce overall vehicle performance.

5. How do I fix the P2817 code on my 2017 Chevrolet Silverado?

Repairs may involve replacing the faulty solenoid, repairing or replacing damaged wiring or connectors, flushing the transmission fluid, or addressing internal transmission damage.

6. How much does it cost to fix a P2817 code on a 2017 Chevrolet Silverado?

Repair costs vary depending on the issue, but replacing a solenoid typically costs between $200 and $500, while more extensive transmission repairs can cost significantly more.

7. Can low transmission fluid cause the P2817 code?

Yes, low or contaminated transmission fluid can cause solenoids to malfunction, leading to the P2817 code.

8. How do I know if the transmission control solenoid is faulty?

A faulty solenoid may result in erratic shifting, a stuck gear, or diagnostic trouble codes like P2817 being triggered.

9. Can I clear the P2817 code myself?

You can clear the code using an OBDII scanner, but it will likely return if the underlying issue isnâ€™t addressed.

10. Do I need to go to the dealer to fix a P2817 code on my 2017 Chevrolet Silverado?

Not necessarily. A qualified independent mechanic with transmission expertise can diagnose and repair the issue, often at a lower cost than a dealership.