What is the code EEC 61 on a Freightliner dash?

If your DEF got low , it will throw a EEC61, but you need to fill the DEF tank 1/2 full or more. After you drive awhile, after 3 key cycles that light should go off. IF THIS IS THE PROBLEM. If you do not fill it up, the Engine will Derate to 25%, then if you continue to drive, it will derate you to 5 miles per hour.

What is EEC on a truck?

The Ford EEC or Electronic Engine Control is a series of ECU (or Engine Control Unit) that was designed and built by Ford Motor Company.

How do you clear fault codes?

Plug an OBD-II scanner into your vehicle's OBD port and reset it to clear the check engine light . Disconnecting and reconnecting your battery will restart your vehicle's computer and clear the light. Drive an older vehicle around for a few days after repairs. The light will go off on its own once the computer resets.

How do I clear my obd2 permanent code?

The only way to clear a PDTC is to fix the underlying problem with the vehicle that originally caused the PDTC and its corresponding DTC to set, and then allow the vehicle sufficient drive time to re-run the monitor that identified the problem in the first place.

What is ESC on Freightliner?

Electronic stability control does not apply hard braking or steering automatically. ESC estimates the direction of the skid. It asymmetrically applies the brakes to individual wheels to bring the car back in line with the driver's commanded direction.

What is EEC 61 3364 fail 2 FMI?

SPN 3364 Fail 2 is telling you that your Diesel Exhaust Fluid (DEF) has a quality issue , or at least that is what the ACM thinks. There are test strips available to test for DEF contamination. Also your DEF pressure sensors, lines DEF nozzle should be checked.

What is motor control module on a Freightliner?

The MCM is the engine's onboard computer for electronic engine controls . Processes input signals from the engine sensors.

Are ECU and EEC the same?

Definition. FADEC is a system consisting of a digital computer, called an electronic engine controller (EEC) or engine control unit (ECU) , and its related accessories that control all aspects of aircraft engine performance.

What is an EEC engine?

Electronic Ignition & Engine Control The EEC keeps your engine running at peak efficiency for your operational environment by evaluating input from engine and environment sensors hundreds of times per second. Those same sensors can provide valuable input as to the health of your powerplant.

What does ECC stand for in a truck?

Why Does My Truck Need an ECC? The primary purpose of the engine control computer is to monitor sensors throughout the engine that keep tabs on your light-duty truck's emissions.

How do I clear international fault codes?

In order to clear the faults on this unit, you can use a scan tool that has that capability, or drive the unit and once the drive cycles are up, the faults will go to a inactive status then eventually clear themselves if the issue has been resolved.

What is the code 61 on a cat engine?

Flash code 61 represents 2 faults, high coolant temperature and very high coolant temperature .

What is the code 61 on a Peterbilt engine?

Fault Code 61 indicates a failure with the circuit controlling the Rail Motor and the side-to-side movement of the X-Y Shift Finger . Read below to learn how to test, clear and fix fault code errors for your Freightliner, Mack, Peterbilt, Kenworth, Volvo, International, and heavy-duty truck and equipment.

How to Clear EEC 61 Code on Freightliner Trucks? Expert Tips

Freightliner trucks, renowned for their performance and durability, sometimes display the EEC 61 code, which can be concerning for operators. This is a general code related to the Aftertreatment System, which is vital for the truck’s emissions control. Clearing this code requires understanding its origins and addressing the root issue. This guide outlines the steps to identify, address, and how to clear EEC 61 code, ensuring your vehicle operates efficiently and compliantly.

What does Code EEC 61 on a Freightliner Mean?

On a Freightliner truck, an EEC 61 fault code typically relates to the Aftertreatment System, which is associated with the emissions and exhaust filtering. The code itself is a common code indicating a fault, but it doesn’t specify the exact nature of the problem.

When you see “EEC 61 code Freightliner,” it’s a broad category that essentially means an issue has been detected in the after-treatment system. This system includes components like the Diesel Particulate Filter (DPF), Diesel Exhaust Fluid (DEF) system, Selective Catalytic Converter Reduction (SCR) system, and other emissions-related components.

How to Clear EEC 61 Code?

Clearing an EEC 61 Freightliner code (or any other fault code, for that matter) requires a combination of addressing the underlying issue that caused the code and then using a diagnostic tool to reset or clear the code. Here are the general steps to clear the code:

1. Diagnosis

Before clearing any codes, it’s essential to diagnose the problem causing the code to ensure it doesn’t return:

Use a Diagnostic Tool: Connect a diagnostic scan tool or code reader to your vehicle’s OBD-II port or the appropriate diagnostic connector. This will allow you to read more detailed information regarding the fault, often displayed as SPN and FMI numbers.
Interpret the Results: Analyze the specific fault information to determine the root cause. For instance, if it’s related to the DEF system, it might be due to DEF quality, a faulty DEF pump, or blocked dosing lines.

2. Address the Underlying Issue

You’ll need to address the actual problem causing the fault code:

DEF System Issues: If related to the DEF system, you might need to:
- Check and, if necessary, replace the DEF fluid.
- Inspect the dosing unit and lines for blockages or malfunctions.
- Ensure the DEF pump is functioning correctly.
DPF Regeneration: If the issue is with the DPF, you might need to perform a forced regeneration using the diagnostic tool, or in some cases, manually clean or replace the DPF.
Sensor and Component Issues: Replace any faulty sensors or components identified during the diagnostic phase.

3. Clear the Code

Use the Diagnostic Tool: Once you’ve addressed the underlying issue, return to your diagnostic tool.
Navigate to the “Clear Codes” Option: Most diagnostic tools have a menu-driven interface. Navigate through the menus to find the option to “Clear Fault Codes” or a similarly-worded command.
Clear Code: Follow the prompts on the tool to clear the EEC 61 code.
Recheck: After clearing the DTC code, it’s wise to recheck to ensure no faults remain. This ensures that the issue was adequately addressed.

4. Monitor the Vehicle

After you’ve cleared the code, it’s essential to monitor the vehicle to ensure the problem doesn’t reoccur. If the code returns, further diagnostics and repairs may be necessary.

Important Note:

It’s vital to address the root cause of the fault code rather than just erasing it. Simply clearing the code without fixing the underlying problem will likely result in the code returning shortly after. If you’re uncertain about any part of the process, it’s advisable to consult with a professional technician or refer to the vehicle’s service manual.

Prevention Tips:

You can follow the below suggestions to prevent the issue:

Regular Maintenance: Follow the manufacturer’s guidelines for scheduled maintenance, including DPF regens and DEF system checks.
High-Quality DEF: Always use DEF that meets the required standards to avoid contamination or DEF quality issues.
Drive Properly: Believe it or not, your driving style can impact the aftertreatment system. Try to avoid excessive idling, and when possible, ensure your trips are long enough for the DPF system to reach optimal temperatures and perform passive regens.

How do You Reset the Fault Code on a Freightliner Cascadia?

Resetting fault codes on a Cascadia requires a compatible diagnostic scan tool. Firstly, plug the tool into the vehicle’s diagnostic port. Ensure the issue triggering the code has been resolved; simply clearing without addressing the problem may cause the code to return. After connecting the tool, run a diagnostic scan to confirm the fault codes. Navigate to the option labeled “Clear Codes” or similar.

Execute the clearing process. It’s crucial to then re-scan, ensuring the codes have been cleared. If they reappear or if the problem persists, professional consultation is advised. Remember, safety and addressing underlying issues are paramount; don’t merely clear codes without ensuring the problem is fixed. Always consult the vehicle’s manual or a technician if uncertain.

How do I Reset EEC 61 Code without a Scanner?

Resetting a Freightliner EEC 61 code without a scanner can be challenging because it is a broad code relating to the vehicle’s emission control system, and it’s crucial to identify and fix the specific issue triggering this code. However, there are basic steps to potentially clear the fault temporarily.

First, ensure the Diesel Exhaust Fluid (DEF) level is adequate. Next, inspect the DEF quality and other related components for visible issues. Perform a manual DPF regeneration by following the vehicle’s manual instructions, which often involves a series of actions using the vehicle’s controls. This process burns off accumulated soot in the DPF, which may clear the EEC 61 code.

For resetting, disconnect the vehicle’s battery cables for several minutes and then reconnect them. This may clear the code temporarily, but it’s crucial to address the underlying issue to prevent the code from reappearing. It’s always recommended to use a diagnostic tool for an accurate assessment and resolution and consult a professional for thorough inspection and repair.

Conclusion

Clearing the EEC 61 code on a Freightliner is more than just erasing an error message—it’s about ensuring the truck’s emission system operates efficiently. Address the issue at its roots for the health of the vehicle and the environment. Always prioritize safety and, when in doubt, seek professional guidance.

How to Clear EEC 61 Code on Freightliner Trucks? Expert Tips | Vehicle Fixing (2024)