Engine-CodesAudi – P0736 Audi

P0736 Audi Code - Incorrect Reverse Ratio

Quick Answer

The P0736 code for Audi vehicles indicates that there is an issue with the reverse gear ratio. Common causes include Faulty transmission solenoids, Malfunctioning transmission control module, Worn-out or damaged gears in the transmission. 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 Audi indicates Incorrect Reverse Ratio.
Common causes
Common causes include Faulty transmission solenoids, Malfunctioning transmission control module, Worn-out or damaged gears in the transmission.
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 P0736 Audi Description

The P0736 code for Audi vehicles indicates that there is an issue with the reverse gear ratio. This means that when the vehicle is in reverse, the gear ratio is not matching the specifications set by the manufacturer. The incorrect reverse ratio can lead to various performance issues, including difficulty in reversing, delayed engagement, harsh shifting, or even the vehicle not moving in reverse at all.

OBDII Code P0736 Audi - Incorrect Reverse Ratio
P0736 Audi Code - Incorrect Reverse Ratio

Common Causes of P0736 Audi

  1. Faulty transmission solenoids
  2. Malfunctioning transmission control module
  3. Worn-out or damaged gears in the transmission
  4. Low transmission fluid levels
  5. Hydraulic system issues within the transmission

Symptoms of P0736 Audi

  1. Delayed engagement when shifting into reverse
  2. Harsh or abrupt shifting when reversing
  3. Inability to move in reverse
  4. Whining or grinding noise while in reverse
  5. Illumination of the Check Engine Light

How to Fix P0736 Audi

  1. Perform a diagnostic scan to confirm the P0736 code and identify the specific issue causing the incorrect reverse ratio.
  2. Inspect the transmission fluid level and quality, topping up or replacing it if necessary.
  3. Check for any visible damage to gears or components within the transmission, replacing any worn-out parts.
  4. Test and potentially replace faulty transmission solenoids or the transmission control module.
  5. Clear the trouble code, reset the transmission adaptations, and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0736 Audi

The cost of repairing the P0736 code for an Audi vehicle can vary depending on the specific cause of the issue and the extent of the repair needed. On average, the repair cost for this type of transmission issue can range from $500 to $1500, including parts and labor. However, it is essential to note that labor rates at auto repair shops can vary widely, typically ranging from $80 to $150 per hour. Factors such as the vehicle's make and model, the location of the repair shop, and the type of engine can also influence the final cost. It is recommended to obtain a detailed estimate from a reputable auto repair shop to get an accurate cost for the repair.

Tech Notes for P0736 Audi

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

When is the Code Detected?

P0736 is detected when A/T cannot be shifted to the reverse gear position even if electrical circuit is good.

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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 P0736 Audi Code

1. What does the OBDII code P0736 mean on an Audi?

Code P0736 indicates "Incorrect Reverse Ratio," meaning the transmission is not achieving the expected gear ratio when in reverse.

2. What are the common symptoms of code P0736 in an Audi?

Symptoms may include difficulty engaging reverse gear, slipping or hesitation in reverse, abnormal transmission noises, or the vehicle failing to move backward.

3. What causes the P0736 code on an Audi?

Common causes include low transmission fluid, a damaged reverse gear, faulty transmission solenoids, internal transmission issues, or incorrect transmission programming.

4. Can driving with P0736 damage my Audi?

Yes, continuing to drive with this code may cause further transmission damage, leading to costly repairs if the issue is not addressed promptly.

5. How can I diagnose the P0736 code on my Audi?

Start by checking the transmission fluid level and condition, inspecting wiring and connectors to the transmission, and scanning for additional related codes using an OBDII scanner.

6. How do I fix the P0736 code on an Audi?

Repairs may include topping off or replacing transmission fluid, replacing damaged solenoids, repairing internal transmission parts, or reprogramming the transmission control module (TCM).

7. Can low transmission fluid trigger the P0736 code?

Yes, low or contaminated transmission fluid can cause improper hydraulic pressure, leading to the incorrect reverse ratio.

8. How much does it cost to fix Audi code P0736?

Repair costs vary widely depending on the cause, ranging from a simple fluid change (~$100) to complete transmission repairs costing several thousand dollars.

9. Is a faulty transmission control module (TCM) a possible cause of the P0736 code?

Yes, a malfunctioning TCM may send incorrect signals to the transmission, resulting in an incorrect reverse gear ratio.

10. How can I prevent the P0736 code from occurring in my Audi?

Regular maintenance, including checking and changing transmission fluid, addressing transmission issues promptly, and ensuring proper programming of the TCM, can help prevent this code.

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