Engine-CodesChevrolet – P0735 Chevrolet

P0735 Chevrolet Code - Transmission 5th Gear Ratio Incorrect

Quick Answer

The P0735 diagnostic trouble code (DTC) for Chevrolet vehicles indicates an issue with the 5th gear ratio in the transmission. Common causes include Low transmission fluid level or contaminated fluid, Faulty transmission solenoids, Worn or damaged clutch components. 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
P0735 Chevrolet indicates Transmission 5th Gear Ratio Incorrect.
Common causes
Common causes include Low transmission fluid level or contaminated fluid, Faulty transmission solenoids, Worn or damaged clutch components.
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 12, 2024
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Code P0735 Chevrolet Description

The P0735 diagnostic trouble code (DTC) for Chevrolet vehicles indicates an issue with the 5th gear ratio in the transmission. This means that the vehicle's onboard computer has detected that the transmission is not shifting into 5th gear correctly, resulting in an incorrect gear ratio. This can lead to various performance issues and potential long-term damage if not addressed promptly.

OBDII Code P0735 Chevrolet - Transmission 5th Gear Ratio Incorrect
P0735 Chevrolet Code - Transmission 5th Gear Ratio Incorrect

Common Causes of P0735 Chevrolet

  1. Low transmission fluid level or contaminated fluid
  2. Faulty transmission solenoids
  3. Worn or damaged clutch components
  4. Malfunctioning transmission sensors
  5. Internal transmission damage

Symptoms of P0735 Chevrolet

  1. Delayed or harsh shifting into 5th gear
  2. Slipping or flaring of the transmission when trying to engage 5th gear
  3. RPM fluctuations while driving at high speeds
  4. Reduced fuel efficiency
  5. Illumination of the Check Engine Light

How to Fix P0735 Chevrolet

  1. Check and refill transmission fluid to the proper level if low or contaminated.
  2. Inspect and replace faulty transmission solenoids if necessary.
  3. Evaluate and repair or replace worn or damaged clutch components.
  4. Test and replace malfunctioning transmission sensors.
  5. Perform a thorough diagnostic of the transmission to identify any internal damage and address as needed.

Cost to Fix P0735 Chevrolet

The typical repair costs for addressing a P0735 code in a Chevrolet vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the repair costs for this type of transmission issue can range from $500 to $1500, including parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can fluctuate, so it's advisable to obtain estimates from multiple sources to ensure a fair price. Additionally, rates may differ based on the vehicle's make and model, the location of the repair shop, and the expertise required for the repair.

Tech Notes for P0735 Chevrolet

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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Information for Specific Chevrolet Models

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 P0735 Chevrolet Code

1. What are the common symptoms of OBDII code P0735 in a Chevrolet related to the transmission 5th gear ratio incorrect?

- Common symptoms include harsh shifting between gears, slippage in higher gears, illuminated Check Engine Light, and decreased fuel efficiency.

2. What can cause the OBDII code P0735 in a Chevrolet indicating a transmission 5th gear ratio incorrect?

- Possible causes include a faulty transmission control module, damaged or worn out gear components, low transmission fluid level, or a faulty shift solenoid.

3. How serious is the OBDII code P0735 in a Chevrolet indicating a transmission 5th gear ratio incorrect?

- Ignoring this code can lead to further damage to the transmission system, potentially resulting in total transmission failure if left unaddressed for an extended period.

4. How can I diagnose the OBDII code P0735 in a Chevrolet related to the transmission 5th gear ratio incorrect?

- Diagnosis typically involves using a professional OBDII scanner to read the error code, checking the transmission fluid level and condition, and inspecting the transmission components for any visible damage.

5. Can I still drive my Chevrolet with the OBDII code P0735 indicating a transmission 5th gear ratio incorrect?

- It is not recommended to drive the vehicle with this code present, as continued driving can cause further damage to the transmission system and potentially lead to costly repairs.

6. What are some possible repair tips for fixing the OBDII code P0735 in a Chevrolet related to the transmission 5th gear ratio incorrect?

- Repair tips may include checking and topping up the transmission fluid, inspecting and replacing damaged gear components, resetting the transmission control module, or seeking professional assistance for a thorough diagnosis and repair.

7. How much does it typically cost to repair the OBDII code P0735 in a Chevrolet indicating a transmission 5th gear ratio incorrect?

- The cost of repair can vary depending on the extent of the damage and the specific components that need to be repaired or replaced. It is advisable to get a detailed estimate from a qualified mechanic.

8. Are there any preventive measures I can take to avoid encountering the OBDII code P0735 in a Chevrolet related to the transmission 5th gear ratio incorrect?

- Regular maintenance of the transmission system, including timely fluid changes and inspections, can help prevent issues that may trigger this error code.

9. Can a DIY enthusiast with basic automotive knowledge fix the OBDII code P0735 in a Chevrolet indicating a transmission 5th gear ratio incorrect?

- While some basic checks like inspecting the transmission fluid level can be done by a DIY enthusiast, diagnosing and repairing complex transmission issues like this code may require professional expertise and specialized tools.

10. Will resetting the Check Engine Light resolve the OBDII code P0735 in a Chevrolet indicating a transmission 5th gear ratio incorrect?

- Resetting the Check Engine Light may temporarily turn off the warning indicator, but it will not fix the underlying issue causing the error code. It is crucial to diagnose and address the root cause of the problem to prevent further transmission damage.

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