PO735 Technical Description
Gear 5 Incorrect Ratio
If you’re encountering the PO735 trouble code on your dashboard, this guide will clarify what it means, its symptoms, and how to effectively tackle it.
You’re probably seeking insights and solutions for this error.
Having resolved the PO735 issue in numerous cars, I can guide you through a fix with confidence.
In this article, I’ll go into detail about the common causes of the PO735 code and the steps you should follow to address it, ensuring your vehicle returns to top condition.
Time to get our hands dirty—here’s how to smooth out those transmission hiccups!
Key Takeaways
- PO735 Definition: This code indicates a “Gear 5 Incorrect Ratio” error in the transmission system.
- Symptoms: Common signs include slipping gears, decreased fuel efficiency, and the check engine light turning on.
- Causes: Potential causes range from low transmission fluid to faulty shift solenoids and gear damage.
- Initial Checks: Start by examining the transmission fluid and gear components for any obvious issues.
- Diagnostic Steps: Use an OBD-II scanner for additional codes and check shift solenoids for proper function.
- Professional Help: If self-repair steps fail, seeking professional diagnostic and repair services is recommended.
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What Does P0735 Trouble Code Mean?
So, your car’s computer decided to flash a P0735 trouble code at you, huh?
Let’s break it down without any runaround.
Essentially, this code means your transmission is having a tough time with 5th gear. Specifically, it’s about the gear ratio not being where it’s supposed to be when your car shifts into the 5th gear.
Here’s the deal: your car’s transmission is like a cyclist shifting gears to go faster or climb hills easier. Each gear has a ‘ratio’ that helps your car run efficiently at different speeds.
But when something’s off with the 5th gear ratio, it’s like trying to pedal a bike in the wrong gear—you’re not going to get where you want as smoothly or as quickly.
This could be due to several reasons, like low transmission fluid, a glitch in your car’s computer, or even wear and tear on the transmission itself.
It’s like your car is telling you, “Hey, something’s not right with how I’m shifting gears. Can you check it out?”
Remember, this isn’t just about a quirky behavior or a weird noise—it’s a signal that ignoring could lead to bigger issues down the road.
It’s your car’s way of nudging you to peek under the hood (or in this case, take a closer look at the transmission) before you’re stuck on the side of the road wondering what happened.
So, take it seriously. Get a pro to check it out sooner rather than later. Trust me, your car—and your wallet—will thank you.
PO735 Trouble Code Symptoms
When the PO735 trouble code appears, several symptoms may be noticeable, including:
- Slipping of the transmission during gear changes
- Inability to shift into fifth gear
- Noticeable decrease in fuel efficiency
- Transmission overheating
- The vehicle enters “limp” mode to protect the engine
- Check engine light is activated on the dashboard
PO735 Trouble Code Causes
The PO735 trouble code can be triggered by a variety of factors, such as:
- Worn or damaged fifth gear components
- Low or dirty transmission fluid
- Faulty shift solenoids
- Transmission control module problems
- Issues with the vehicle’s internal computer system
- Mechanical failure within the transmission
How To Fix A PO735 Trouble Code
Addressing a PO735 trouble code involves a combination of diagnostics and hands-on repairs. Here’s how you can pinpoint and resolve the issue:
1. Check Transmission Fluid
Begin by checking the transmission fluid level and condition. Low fluid can cause improper gear engagement and overheating. If the fluid is dirty or smells burnt, replace it.
2. Inspect Gear Components
Examine the fifth gear’s physical components for wear or damage. If any gear teeth are chipped or worn, the gear will need to be replaced.
3. Test Shift Solenoids
Shift solenoids control the flow of fluid to the transmission clutches and can fail, preventing proper gear shifting. Use a multimeter to check for resistance and replace any solenoid that does not comply with manufacturer specifications.
4. Scan for Other Codes
Use an OBD-II scanner to check for additional codes that may indicate a broader transmission control issue. Address these codes as required.
5. Reset the Transmission Control Module
Sometimes, resetting the transmission control module (TCM) can clear the fault if no mechanical issues are found. Disconnect the battery for 30 minutes to reset the system.
6. Professional Diagnosis
If these steps do not resolve the problem, consult with a professional mechanic. They can perform a more thorough diagnosis, possibly involving the vehicle’s internal computer systems or more complex mechanical components within the transmission.
By following these steps, you can often resolve the issue causing the PO735 trouble code, restoring your vehicle’s transmission to proper function.
Conclusion
Now that you’ve got the scoop on what the PO735 trouble code means and the steps to fix it, you’re well-prepared to tackle the problem head-on.
Have you ever encountered this code before? What was your experience?
Feel free to share your stories or ask questions below about your transmission repair adventures!
