AutoCodes – Chevrolet – P27AD 2016 Chevrolet Silverado

P27AD 2016 Chevrolet Silverado Code - Transmission Control Solenoid Valve 7 Calibration Incorrect

Quick Answer

The Transmission Control Solenoid Valve 1, 2, 3, 4, 5, 6, 7 have a unique current versus oil pressure characteristic that is used to properly upshift or downshift the transmission. Common causes include Solenoid Valve Characterization Reprogramming. 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: P27AD 2016 Chevrolet Silverado indicates Transmission Control Solenoid Valve 7 Calibration Incorrect.
Common causes: Common causes include Solenoid Valve Characterization Reprogramming.
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 206

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Sep 22, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P27AD 2016 Chevrolet Silverado Description

The Transmission Control Solenoid Valve 1, 2, 3, 4, 5, 6, 7 have a unique current versus oil pressure characteristic that is used to properly upshift or downshift the transmission. The data for each solenoid valve is programmed into the Transmission Control Module (TCM). The Diagnostic Trouble Code (DTC) will be set when the Transmission Control Solenoid Valve Calibration Data has not been programmed.

OBDII Code P27AD 2016 Chevrolet Silverado - Transmission Control Solenoid Valve 7 Calibration Incorrect - AutoCodes.com — P27AD 2016 Chevrolet Silverado Code - Transmission Control Solenoid Valve 7 Calibration Incorrect

What does this mean?

What are the Possible Causes of the DTC P27AD 2016 Chevrolet Silverado?

Solenoid Valve Characterization Reprogramming

How to Fix the DTC P27AD 2016 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 P27AD 2016 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 P27AD 2016 Chevrolet Silverado code?

Need more information on how to fix the P27AD 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P27AD 2016 Chevrolet Silverado 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 P27AD 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P27AD on a 2016 Chevrolet Silverado?

- Common symptoms include rough shifting, transmission slipping, reduced fuel efficiency, and the transmission going into limp mode.

2. What does the OBDII code P27AD indicate in a 2016 Chevrolet Silverado?

- The code P27AD indicates that the Transmission Control Solenoid Valve 7 calibration is incorrect in the vehicle's transmission system.

3. What are the possible causes of OBDII code P27AD in a 2016 Chevrolet Silverado?

- Possible causes include a faulty Transmission Control Solenoid Valve 7, wiring issues, a defective transmission control module, or software calibration errors.

4. How can I diagnose the OBDII code P27AD on my 2016 Chevrolet Silverado?

- Diagnosing the code involves using a diagnostic scanner to retrieve the specific trouble codes, inspecting the transmission control solenoid valve, checking the wiring connections, and performing a calibration check.

5. Can I continue driving my 2016 Chevrolet Silverado with OBDII code P27AD?

- It is not recommended to continue driving with this code as it can lead to further damage to the transmission system. It's best to address the issue promptly.

6. How can I repair OBDII code P27AD on a 2016 Chevrolet Silverado?

- Repair options may include replacing the Transmission Control Solenoid Valve 7, repairing any wiring issues, reprogramming the transmission control module, or updating the software calibration.

7. Is it possible to reset the OBDII code P27AD on a 2016 Chevrolet Silverado without repairs?

- While clearing the code may temporarily turn off the check engine light, it's crucial to address the underlying issue causing the code to prevent future transmission problems.

8. How much does it cost to fix OBDII code P27AD on a 2016 Chevrolet Silverado?

- The cost of repair can vary depending on the exact cause of the code and whether it requires a simple solenoid replacement or more extensive transmission system repairs. Costs typically range from $200 to $800.

9. Can a DIY enthusiast fix OBDII code P27AD on a 2016 Chevrolet Silverado?

- Depending on your mechanical skills and access to tools, some DIY enthusiasts may be able to replace the Transmission Control Solenoid Valve 7 themselves. However, it's recommended to consult a professional for accurate diagnosis and repair.

10. Will OBDII code P27AD cause permanent damage to the transmission of a 2016 Chevrolet Silverado?

- Ignoring the code and continuing to drive with transmission issues can potentially lead to permanent damage to the transmission system, resulting in costly repairs or even transmission failure.