The Limp Mode is often encountered in vehicles when the engine or the transmission control unit notices a critical issue in your vehicle.
While the Limp Mode impacts our driving experience, it also helps preserve the transmission unit and engine from damage.
You’ll likely experience reduced speed, an Air conditioner turned off, limited RPMs, and others.
This OBD-II system fault can also be addressed in fail-safe mode or emergency mode.
Nevertheless, this article is going to show you how to Bypass the Limp Mode on your automotive and also list some of its causes and symptoms for you.
Symptoms of the Limp Mode
Although, you can use an OBD-II scanner to read the problem at your convenience or take your vehicle to your mechanic.
If you start noticing any of the below symptoms on your vehicle then you might have possibly run into the Limp Mode problem.
- The check engine light will turn on
- Decreased engine power / Overheating
- Reduced speed limit up to 35 and 45 MPH
- RPMs are reduced to about 2000 or 3000 RPM
- Unable to change gear
- Throttle pedal not responding quickly.
- Noise in the engine or transmission
It’s very important that you treat the Limp Mode impacts as urgent to avoid spreading the damage.
How to Bypass the Limp Mode
Most cases require that you park your vehicle at a spot once you notice any of the above symptoms before implementing any of the below fixes.
Although, cooling your car’s engine can reset Limp Mode at times but it might not be permanent.
Notwithstanding, here are a couple of bypassing techniques you can implement to get your car out of Limp Mode.
- Park your car at a reliable point and enter Park Position
- Switch OFF your ignition either by key or by button
- Wait for a few minutes for the vehicle to cool off
- Ignite the engine of the vehicle
- Continue driving
These are some of the proven ways to Bypass the Limp Mode on your vehicle.
Also, if it’s a case of Overheating then allow your engine to cool off entirely before turning it back on. Although, it might not work especially when your vehicle has transmission faults.
Proceed with any of the below troubleshooting steps if you’re car continually runs into Limp Mode after trying the above temporal fix.
How to Get a Vehicle out of Limp Mode
Here is another solution you can resort to if your vehicle keeps encountering Limp Mode.
- Check Oil Level
- Check your head gasket
- Replace faulty spark plugs
- Check the Mass Airflow Sensor
- Check the wiring harness
- Low battery etc.
The major cause of why vehicles enter Limp Mode is low oil also known as low transmission fluid.
You can fix this by simply checking the oil level on your device and topping it up if required.
Revert to the manual guide to learn how to Check and top up your oil.
You can also check the MAF Sensor to make sure the engine is kept in a better cooling condition to avoid overheating.
The battery and spark plugs should not be left unchecked to avoid misfire and hard starting.
What Causes Limp Mode?
Limp Mode results in our vehicle running into error P0300 or P0720 if diagnosed with an OBD-II scanner.
Listed below are some reasons that can trigger limp mode on your car.
- Low transmission fluid Level
- Old Spark Plugs
- Faulty Mass Airflow Sensor
- The wiring harness of the system
- Faulty TPS
- Low battery
- Fluid in the engine Sensor
- Calibration needs
- Faulty MAP Sensor
- Problematic engine sensors
- Leaking transmission Body
- Involvement in car accidents
- Swollen fuse
- Overboot or Underboot.
If Limp Mode isn’t fixed properly, it could lead endanger your life and that of other road users.
So, if you can’t get your way around it, it’s best advised to take your vehicle to an auto repair shop for professional assistance.
Can Low Oil Cause Limp Mode?
Yes, Low oil transmission is the major cause of Limp Mode in a vehicle. Changing the transmission oil can also fix the Limp Mode problem.
How long can you drive a car in limp mode?
You can continue driving a car on Limp Mode for as long as you like if you’re okay with its impact.
However, doing this for too long Can cause damage to the vehicle for your own good.
Is Limp Mode Permanent?
No, Limp mode can sometimes clear itself when you turn your car off and on.
Nevertheless, it’s important that you check the root cause of the error and fix it before it creates further problems.