P2808 2017 Chevrolet Silverado Code - Transmission Control Solenoid Valve 7 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
- P2808 2017 Chevrolet Silverado indicates Transmission Control Solenoid Valve 7 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.
Code P2808 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P2808 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 P2808 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 P2808 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 P2808 2017 Chevrolet Silverado code?
Need more information on how to fix the P2808 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2808 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2808 2017 Chevrolet Silverado Code
1. What does the OBDII code P2808 mean for a 2017 Chevrolet Silverado?
P2808 indicates that the Transmission Control Module (TCM) has detected that Solenoid Valve 7 in the transmission is stuck in the "Off" position, affecting gear shifting and performance.
2. What are the common symptoms of a P2808 code in a 2017 Chevrolet Silverado?
Symptoms may include difficulty shifting gears, transmission slipping, harsh gear engagement, reduced fuel efficiency, and the Check Engine Light being illuminated.
3. What causes the P2808 code to appear in a Chevrolet Silverado?
Common causes include a faulty transmission control solenoid, dirty or low transmission fluid, wiring issues such as damaged or corroded connectors, or a malfunctioning Transmission Control Module (TCM).
4. Can low transmission fluid cause the P2808 code?
Yes, low or dirty transmission fluid can cause solenoids to stick, leading to the P2808 code. Checking and replacing the fluid is often a first step in diagnosing the issue.
5. How is the P2808 code diagnosed in a 2017 Chevrolet Silverado?
A mechanic will use a scan tool to confirm the code, inspect the transmission fluid condition, check the wiring and connectors for damage, and test the solenoid's functionality.
6. Can I drive my 2017 Chevrolet Silverado with the P2808 code?
Driving with a P2808 code is not recommended as it may cause further damage to the transmission and lead to unsafe driving conditions.
7. How do you fix the P2808 code in a 2017 Chevrolet Silverado?
Repairs may include replacing the faulty solenoid, cleaning or replacing the transmission fluid, repairing damaged wiring, or reprogramming or replacing the Transmission Control Module.
8. What is the cost to repair the P2808 code on a Chevrolet Silverado?
The cost can vary, but replacing a transmission solenoid typically ranges from $150 to $400, depending on labor rates and parts. Additional repairs, like TCM replacement, can increase the cost.
9. How can I prevent the P2808 code from occurring in my Silverado?
Regular maintenance, including timely transmission fluid changes and inspections, can help prevent solenoid-related issues and ensure smooth transmission operation.
10. Does the P2808 code always indicate a faulty solenoid in the Chevrolet Silverado?
Not always. While a faulty solenoid is a common cause, other issues like wiring problems, low transmission fluid, or a failing TCM can also trigger the code. Proper diagnosis is essential.
Discuss the causes and fixes for P2808 2017 Chevrolet Silverado OBDII Code
Code P2808 2017 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
