Engine-CodesChevrolet – P0731 2016 Chevrolet Silverado

P0731 2016 Chevrolet Silverado Code - Transmission 1st Gear Ratio Incorrect

Quick Answer

The P0731 diagnostic trouble code (DTC) indicates that the vehicle's automatic transmission has detected an incorrect 1st gear ratio. Common causes include Malfunctioning shift solenoid, Faulty transmission control module, Low transmission fluid levels. 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 2016 Chevrolet Silverado indicates Transmission 1st Gear Ratio Incorrect.
Common causes
Common causes include Malfunctioning shift solenoid, Faulty transmission control module, Low transmission fluid levels.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0731 2016 Chevrolet Silverado Description

The P0731 diagnostic trouble code (DTC) indicates that the vehicle's automatic transmission has detected an incorrect 1st gear ratio. In simpler terms, this means that the transmission is not shifting properly into 1st gear as it should. This issue can lead to various problems with the vehicle's overall performance, fuel efficiency, and drivability.

OBDII Code P0731 2016 Chevrolet Silverado - Transmission 1st Gear Ratio Incorrect
P0731 2016 Chevrolet Silverado Code - Transmission 1st Gear Ratio Incorrect

Common Causes of P0731 2016 Chevrolet Silverado

  1. Malfunctioning shift solenoid
  2. Faulty transmission control module
  3. Low transmission fluid levels
  4. Internal transmission damage
  5. Electrical issues in the transmission system

Symptoms of P0731 2016 Chevrolet Silverado

  1. Delayed or harsh shifting
  2. Slipping gears
  3. Reduced fuel efficiency
  4. Engine revving without acceleration
  5. Check Engine Light illuminated

How to Fix P0731 2016 Chevrolet Silverado

  1. Perform a thorough diagnostic scan to confirm the P0731 code and identify the specific cause of the incorrect 1st gear ratio.
  2. Inspect the transmission fluid level and quality. If low, top up or replace the fluid as needed.
  3. Check the shift solenoid and transmission control module for proper operation. Replace any faulty components.
  4. Inspect the transmission for any internal damage, such as worn gears or clutches. Repair or replace damaged parts as necessary.
  5. Clear the DTC from the vehicle's computer system and test drive the vehicle to ensure that the transmission is shifting correctly into 1st gear.

Cost to Fix P0731 2016 Chevrolet Silverado

The cost of repairing a P0731 code on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue and the extent of the repair needed. In general, the cost of parts and labor for this repair can range from $200 to $800. Keep in mind that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. It is advisable to consult with a trusted mechanic or dealership for a more accurate estimate based on your location and vehicle's specific needs.

Tech Notes for P0731 2016 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.

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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 P0731 2016 Chevrolet Silverado Code

1. What does the OBDII code P0731 mean on a 2016 Chevrolet Silverado?

P0731 indicates that the transmission control module (TCM) has detected an incorrect gear ratio in 1st gear, meaning the input and output speed sensors are not matching expected values.

2. What are the common symptoms of a P0731 code in a 2016 Silverado?

Symptoms may include difficulty shifting into or out of 1st gear, slipping in 1st gear, reduced acceleration, harsh shifting, illuminated check engine light, and reduced fuel efficiency.

3. What causes the P0731 code to appear in a 2016 Chevrolet Silverado?

Common causes include low or dirty transmission fluid, a faulty transmission control module (TCM), damaged or worn transmission bands, a failed torque converter, or faulty speed sensors.

4. Can driving with a P0731 code damage my 2016 Silverado?

Yes, prolonged driving with this code can cause further damage to the transmission, such as overheating or excessive wear, leading to higher repair costs.

5. How do I diagnose a P0731 code on my 2016 Silverado?

Diagnosis involves checking the transmission fluid level and condition, inspecting the wiring and connectors, testing the input and output speed sensors, and performing a TCM scan for additional codes.

6. Is low transmission fluid a common cause of a P0731 code?

Yes, low or contaminated transmission fluid can cause the transmission to malfunction and trigger the P0731 code.

7. How much does it cost to repair a P0731 code on a 2016 Chevrolet Silverado?

Repair costs can vary widely depending on the cause, ranging from $100 for fluid service to over $1,500 for transmission repairs or replacements.

8. Can a faulty speed sensor cause a P0731 code in a 2016 Silverado?

Yes, a faulty input or output speed sensor can send incorrect data to the TCM, leading to the P0731 code.

9. Can I fix the P0731 code on my 2016 Silverado by resetting the TCM?

Resetting the TCM may temporarily clear the code, but the underlying issue must be resolved to prevent the code from returning.

10. Should I stop driving my 2016 Silverado if the P0731 code appears?

It is recommended to address the issue promptly and avoid driving extensively, as continued operation with transmission issues can cause further damage.

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