Engine-CodesGMC – P0733 2014 GMC Sierra

P0733 2014 GMC Sierra Code - Transmission 3rd Gear Ratio Incorrect

Quick Answer

The P0733 code for a 2014 GMC Sierra indicates that there is an issue with the transmission's 3rd gear ratio. Common causes include Low transmission fluid levels, Faulty transmission solenoids, Worn clutch packs. 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
P0733 2014 GMC Sierra indicates Transmission 3rd Gear Ratio Incorrect.
Common causes
Common causes include Low transmission fluid levels, Faulty transmission solenoids, Worn clutch packs.
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 P0733 2014 GMC Sierra Description

The P0733 code for a 2014 GMC Sierra indicates that there is an issue with the transmission's 3rd gear ratio. This means that the transmission is not shifting properly into 3rd gear, leading to incorrect gear ratios. This can have a significant impact on the vehicle's performance, as the transmission plays a crucial role in transferring power from the engine to the wheels.

OBDII Code P0733 2014 GMC Sierra - Transmission 3rd Gear Ratio Incorrect
P0733 2014 GMC Sierra Code - Transmission 3rd Gear Ratio Incorrect

Common Causes of P0733 2014 GMC Sierra

  1. Low transmission fluid levels
  2. Faulty transmission solenoids
  3. Worn clutch packs
  4. Issues with the transmission control module
  5. Mechanical damage to the transmission gears

Symptoms of P0733 2014 GMC Sierra

  1. Slipping transmission when shifting into 3rd gear
  2. Delayed or harsh shifting into 3rd gear
  3. RPM fluctuations while driving at a consistent speed
  4. Decreased fuel efficiency
  5. Illumination of the Check Engine Light

How to Fix P0733 2014 GMC Sierra

  1. Check and top up transmission fluid levels
  2. Inspect and replace faulty transmission solenoids
  3. Evaluate and replace worn clutch packs
  4. Diagnose and address any issues with the transmission control module
  5. Repair or replace damaged transmission gears

Cost to Fix P0733 2014 GMC Sierra

The cost of repairing a transmission 3rd gear ratio incorrect issue can vary depending on the specific cause of the problem and the extent of the repairs needed. On average, the repair costs for this issue can range from $500 to $1500, including parts and labor. However, it is important to note that the actual cost could be higher or lower based on factors such as the location of the repair shop, the make and model of the vehicle, and the severity of the problem. It is recommended to obtain quotes from multiple auto repair shops to get a more accurate estimate for the repair.

Tech Notes for P0733 2014 GMC Sierra

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.

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