AutoCodes – Chevrolet – P27AB 2014 Chevrolet Silverado

P27AB 2014 Chevrolet Silverado Code - Transmission Control Solenoid Valve 5 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: P27AB 2014 Chevrolet Silverado indicates Transmission Control Solenoid Valve 5 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 214

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 Sep 22, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P27AB 2014 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 P27AB 2014 Chevrolet Silverado - Transmission Control Solenoid Valve 5 Calibration Incorrect - AutoCodes.com — P27AB 2014 Chevrolet Silverado Code - Transmission Control Solenoid Valve 5 Calibration Incorrect

What does this mean?

What are the Possible Causes of the DTC P27AB 2014 Chevrolet Silverado?

Solenoid Valve Characterization Reprogramming

How to Fix the DTC P27AB 2014 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 P27AB 2014 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 P27AB 2014 Chevrolet Silverado code?

Need more information on how to fix the P27AB 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P27AB 2014 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 P27AB 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P27AB in a 2014 Chevrolet Silverado?

The common symptoms of OBDII code P27AB in a 2014 Chevrolet Silverado include transmission shifting issues, poor acceleration, and possibly the Check Engine light illuminating on the dashboard.

2. What does OBDII code P27AB indicate in a 2014 Chevrolet Silverado?

OBDII code P27AB in a 2014 Chevrolet Silverado indicates that the Transmission Control Solenoid Valve 5 Calibration is Incorrect.

3. What are the possible causes of OBDII code P27AB in a 2014 Chevrolet Silverado?

Possible causes of OBDII code P27AB in a 2014 Chevrolet Silverado include a faulty Transmission Control Solenoid Valve, wiring issues, or a problem with the transmission control module.

4. How can I diagnose OBDII code P27AB in my 2014 Chevrolet Silverado?

Diagnosing OBDII code P27AB in a 2014 Chevrolet Silverado typically involves using a diagnostic scanner to retrieve the code, checking the transmission control solenoid valve, inspecting the wiring for any damage, and testing the transmission control module.

5. Can OBDII code P27AB in a 2014 Chevrolet Silverado cause further damage if left untreated?

If left untreated, OBDII code P27AB in a 2014 Chevrolet Silverado can lead to more severe transmission problems, reduced fuel efficiency, and potential damage to other transmission components.

6. How can I repair OBDII code P27AB in my 2014 Chevrolet Silverado?

Repairing OBDII code P27AB in a 2014 Chevrolet Silverado may involve replacing the faulty Transmission Control Solenoid Valve 5, repairing any damaged wiring, or reprogramming the transmission control module.

7. Is it safe to continue driving my 2014 Chevrolet Silverado with OBDII code P27AB?

It is not recommended to continue driving your 2014 Chevrolet Silverado with OBDII code P27AB, as it can affect the vehicle's performance and lead to more significant transmission issues.

8. How much does it typically cost to repair OBDII code P27AB in a 2014 Chevrolet Silverado?

The cost of repairing OBDII code P27AB in a 2014 Chevrolet Silverado can vary depending on the exact cause of the issue, but it may range from a few hundred to a couple of thousand dollars, including parts and labor.

9. Can I reset OBDII code P27AB in my 2014 Chevrolet Silverado without fixing the underlying issue?

While you can clear the code temporarily, it is crucial to address the root cause of OBDII code P27AB in your 2014 Chevrolet Silverado to prevent further problems and ensure the vehicle operates correctly.

10. How long does it take to repair OBDII code P27AB in a 2014 Chevrolet Silverado?

The repair time for OBDII code P27AB in a 2014 Chevrolet Silverado can vary depending on the exact cause and complexity of the issue, but it may take a few hours to a day for a professional technician to diagnose and fix the problem.