AutoCodes – BMW – P0732 BMW

P0732 BMW Code - Gear 2 Incorrect ratio

Quick Answer

This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by Transmission Control Module (TCM) as follows: Torque converter slip ratio = A x C/B A: Output shaft revolution signal from revolution sensor B: Engine speed signal from Engine Control Module (ECM) C: Gear ratio determined as gear position which TCM supposes If the actual gear position is higher than the position (2nd) supposed by TCM, the slip ratio will be more than normal. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Shift 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
P0732 BMW indicates Gear 2 Incorrect ratio.
Common causes
Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Shift 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 27,089
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code P0732 BMW Description

This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by Transmission Control Module (TCM) as follows:
Torque converter slip ratio = A x C/B
A: Output shaft revolution signal from revolution sensor
B: Engine speed signal from Engine Control Module (ECM)
C: Gear ratio determined as gear position which TCM supposes
If the actual gear position is higher than the position (2nd) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.
OBDII Code P0732 BMW - Gear 2 Incorrect ratio - AutoCodes.com
P0732 BMW Code - Gear 2 Incorrect ratio

What are the Possible Causes of the DTC P0732 BMW?

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty Shift Solenoids
  • Shift Solenoids harness is open or shorted
  • Shift Solenoids circuit poot electrical connection
  • Transmission mechanical problems
  • Transmission hydraulic control circuit

How to Fix the DTC P0732 BMW?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0732 BMW code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0732 BMW code?

Need more information on how to fix the P0732 BMW code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0732 BMW code diagnosed by a professional: Find a repair shop in your area

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 P0732 BMW Code

1. What are common symptoms of OBDII code P0732 in a BMW indicating Gear 2 Incorrect Ratio?

- Common symptoms include difficulty shifting gears, harsh shifting, slipping transmission, and illuminated Check Engine Light.

2. What are the possible causes of OBDII code P0732 in a BMW?

- Potential causes include low transmission fluid levels, a faulty transmission solenoid, a worn-out transmission gear, or a malfunctioning transmission control module.

3. How can I diagnose OBDII code P0732 in my BMW at home?

- You can start by checking the transmission fluid level and condition, inspecting for any leaks, and scanning the transmission system for any other related trouble codes.

4. What are the recommended repair tips for fixing OBDII code P0732 in a BMW?

- Repair tips may involve topping up or changing the transmission fluid, replacing a faulty transmission solenoid, repairing or replacing the transmission gear, or recalibrating the transmission control module.

5. Can driving with OBDII code P0732 in a BMW cause further damage to the vehicle?

- Continuing to drive with this code may potentially lead to more severe transmission issues, reduced fuel efficiency, and eventual transmission failure if left unaddressed.

6. How much does it typically cost to repair OBDII code P0732 in a BMW?

- The cost of repairs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

7. Is it safe to continue driving my BMW with OBDII code P0732 present?

- It is not recommended to drive the vehicle extensively with this code as it may cause further damage to the transmission system and compromise driving safety.

8. Can resetting the Check Engine Light make OBDII code P0732 disappear permanently?

- Resetting the Check Engine Light may temporarily clear the code, but it is likely to reappear if the underlying issue causing Gear 2 Incorrect Ratio is not addressed.

9. How long does it take to repair OBDII code P0732 in a BMW?

- Repair times can vary based on the specific repairs needed, but it may take a few hours to a full day to diagnose and fix the issue properly.

10. Are there any preventive maintenance measures to avoid encountering OBDII code P0732 in a BMW?

- Regularly checking and servicing the transmission system, addressing any leaks promptly, and following the manufacturer's recommended maintenance schedule can help prevent transmission problems like Gear 2 Incorrect Ratio.

Discuss the causes and fixes for P0732 BMW OBDII Code

  • Hi i have a bmw 319 ci auto but keeps going into limp mode as it gos in to 3rd gear if i stop for 3 min and start it up if ok untill it hits 3rd and limp mode the only code i am getting is p0732 can any body help pls.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play