Engine-Codes.com
Engine-Codes – Chevrolet – P0731 2017 Chevrolet Silverado

P0731 2017 Chevrolet Silverado Code - Transmission 1st Gear Ratio Incorrect

Quick Answer

The P0731 code indicates that the transmission's first gear ratio is incorrect. Common causes include Low transmission fluid levels or dirty/contaminated fluid, Faulty transmission solenoid or pressure control solenoid, Malfunctioning transmission control module (TCM). 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
P0731 2017 Chevrolet Silverado indicates Transmission 1st Gear Ratio Incorrect.
Common causes
Common causes include Low transmission fluid levels or dirty/contaminated fluid, Faulty transmission solenoid or pressure control solenoid, Malfunctioning transmission control module (TCM).
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0731 2017 Chevrolet Silverado Description

The P0731 code indicates that the transmission's first gear ratio is incorrect. In an automatic transmission, each gear has a specific gear ratio that allows the engine to operate efficiently at various speeds. When the transmission control module (TCM) detects that the gear ratio in the first gear does not match the expected ratio, it triggers the P0731 code. This discrepancy can lead to issues with shifting, acceleration, fuel efficiency, and overall performance of the vehicle.

OBDII Code P0731 2017 Chevrolet Silverado - Transmission 1st Gear Ratio Incorrect
P0731 2017 Chevrolet Silverado Code - Transmission 1st Gear Ratio Incorrect

Common Causes of P0731 2017 Chevrolet Silverado

  1. Low transmission fluid levels or dirty/contaminated fluid
  2. Faulty transmission solenoid or pressure control solenoid
  3. Malfunctioning transmission control module (TCM)
  4. Worn or damaged transmission gears or components
  5. Electrical issues such as faulty wiring or connectors

Symptoms of P0731 2017 Chevrolet Silverado

  1. Delayed or rough shifting when accelerating from a stop
  2. Engine revving higher than normal before shifting gears
  3. Decreased fuel efficiency
  4. Transmission slipping or jerking during acceleration

How to Fix P0731 2017 Chevrolet Silverado

  1. Check and top off transmission fluid levels, or perform a transmission fluid flush and filter replacement if necessary.
  2. Inspect and test transmission solenoids and pressure control solenoid for proper operation, replacing any faulty components.
  3. Scan and diagnose the TCM for any error codes or malfunctions, resetting or replacing the module as needed.
  4. Inspect transmission gears and components for wear or damage, replacing as necessary.
  5. Perform a thorough electrical system check to identify and repair any wiring or connector issues affecting the transmission.

Cost to Fix P0731 2017 Chevrolet Silverado

The cost of repairing a P0731 code can vary depending on the root cause of the issue and the specific repairs needed. In general, the cost of parts for a transmission repair can range from $200 to $1500, with labor costs adding an additional $500 to $1500. Overall, the total cost of resolving a P0731 code can range from $700 to $3000 or more, depending on the extent of the repairs needed. It's important to consider the specific diagnosis time and labor rates at your local auto repair shop when estimating the total cost of the repair.

What does this mean?

Tech Notes for P0731 2017 Chevrolet Silverado

Incorrect ratio Diagnostic Trouble Code (DTC) may indicate a component condition with piston seals, clutch plates, or solenoids or it may be caused by a faulty turbine or output speed sensor signal.

Need more information about the P0731 2017 Chevrolet Silverado code?

Need more information on how to fix the P0731 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0731 2017 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 P0731 2017 Chevrolet Silverado Code

1. What does the OBDII code P0731 mean for a 2017 Chevrolet Silverado?

P0731 indicates that the transmission is experiencing an issue with the 1st gear ratio, meaning the expected gear ratio does not match the actual ratio detected by the vehicle's sensors.

2. What are common symptoms of code P0731 in a 2017 Chevrolet Silverado?

Symptoms may include delayed or harsh shifting, inability to shift into 1st gear, reduced acceleration, transmission slipping, or the check engine light turning on.

3. What causes the P0731 code in a 2017 Chevrolet Silverado?

Common causes include low or contaminated transmission fluid, a faulty transmission solenoid, damaged gear components, or issues with the transmission control module (TCM).

4. Can low transmission fluid cause the P0731 code?

Yes, low or dirty transmission fluid can lead to incorrect gear ratios and trigger the P0731 code.

5. How can I diagnose the P0731 code on a 2017 Chevrolet Silverado?

Start by checking the transmission fluid level and condition, then inspect the transmission solenoids, internal gear components, and wiring. Use a scan tool to monitor gear ratio data.

6. Can driving with code P0731 damage the transmission?

Yes, continuing to drive with this code can lead to increased wear on the transmission and potential long-term damage.

7. How is P0731 fixed on a 2017 Chevrolet Silverado?

Repairs may involve replacing or repairing the transmission solenoids, updating or reprogramming the TCM, cleaning or replacing the transmission fluid, or addressing internal transmission damage.

8. Is P0731 specific to the 1st gear in the transmission?

Yes, P0731 specifically relates to an incorrect ratio in the 1st gear, which is crucial for initial acceleration and vehicle movement.

9. How much does it cost to repair the P0731 code on a 2017 Chevrolet Silverado?

Repair costs vary depending on the cause, ranging from $100 for fluid replacement to over $2,000 for major transmission repairs.

10. Can the P0731 code be fixed without replacing the transmission?

In many cases, P0731 can be resolved by addressing smaller issues like solenoids, fluid, or software updates, rather than replacing the entire transmission.

Discuss the causes and fixes for P0731 2017 Chevrolet Silverado OBDII Code

Submit a New Comment

Code P0731 2017 Chevrolet Silverado comments

No comments found for this page.