Engine-CodesGeneric – P0736

P0736 Code - Reverse Incorrect Gear Ratio

Quick Answer

The P0736 diagnostic trouble code (DTC) indicates that the transmission is experiencing an incorrect gear ratio in the reverse gear. Common causes include Worn or damaged transmission gears, Low transmission fluid levels, Faulty transmission solenoids. 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
P0736 indicates Reverse Incorrect Gear Ratio.
Common causes
Common causes include Worn or damaged transmission gears, Low transmission fluid levels, Faulty transmission solenoids.
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 09, 2024
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Code P0736 Description

The P0736 diagnostic trouble code (DTC) indicates that the transmission is experiencing an incorrect gear ratio in the reverse gear. This means that the transmission is not shifting into the proper gear when the vehicle is in reverse, which can lead to a variety of performance issues. In automatic transmissions, each gear ratio is carefully calibrated to ensure smooth and efficient operation of the vehicle. When the transmission is unable to engage the correct gear ratio in reverse, it can lead to erratic shifting, slippage, or even complete transmission failure.

OBDII Code P0736 - Reverse Incorrect Gear Ratio
P0736 Code - Reverse Incorrect Gear Ratio

Common Causes of P0736

  1. Worn or damaged transmission gears
  2. Low transmission fluid levels
  3. Faulty transmission solenoids
  4. Malfunctioning transmission control module
  5. Electrical issues related to the transmission system

Symptoms of P0736

  1. Harsh or delayed shifting when moving into reverse gear
  2. Slipping or jerking motions while reversing
  3. Reduced acceleration and power in reverse
  4. Check Engine Light illuminated on the dashboard
  5. Transmission overheating due to increased friction from incorrect gear engagement

How to Fix P0736

  1. Check transmission fluid level and condition, top up or replace if necessary
  2. Inspect and replace any worn or damaged transmission gears
  3. Test and replace faulty transmission solenoids
  4. Diagnose and address any electrical issues affecting the transmission system
  5. Reset the transmission control module and perform a relearn procedure to recalibrate gear ratios

Cost to Fix P0736

The cost of repairing a P0736 code can vary depending on the specific cause of the issue and the labor rates in your area. On average, repairing this issue can range from $200 to $800, including parts and labor. However, this cost can increase if significant transmission repairs are needed. It's recommended to consult with a trusted mechanic or transmission specialist to get an accurate estimate based on your vehicle's make and model. Keep in mind that labor rates can vary, so it's advisable to shop around for the best price.

Tech Notes for P0736

Start by inspecting the transmission fluid level and condition, and change fluid if necessary.

When is the Code Detected?

The ECM has detected that the transmission input RPM does not match the transmission output RPM under known conditions

Need more information about the P0736 code?

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Need Help with the Code?

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Code P0736 Information for Specific Makes

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 P0736 Code

No Frequently Asked Questions about P0736 Code found.

Discuss the causes and fixes for P0736 OBDII Code

  • I recently overhaul a (zf 6hp 26) transmission on a range rover sport and it is giving me this code(p0736), why?