P0611 OBD-II Trouble Code: Fuel Injector Control Module Performance

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Cost of diagnosing the P0611 code

P0611 is a diagnostic trouble code (DTC) for "Fuel Injector Control Module Performance". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $69.99. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
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Check Engine Light

Code definition

If the P0611 OBD-II trouble code appears, it means that there is an issue with the fuel injector control module.

What the P0611 code means

When the powertrain control module, or one of the other supporting control modules, discovers that there is an issue with the fuel injector control module, this code will be stored. There are a number of other modules that can detect this problem including the body control module, transmission control module, the cruise control module. In some cases, a vehicle will need multiple drive cycles with this failure before the code will be stored in the Check Engine light will come on.

What causes the P0611 code?

The following are some of the common causes of the P0611 code:

  • Corroded wiring
  • Open or shorted wiring
  • Issues with the electrical connectors in the CAN bus harness
  • Broken ground wire
  • Faulty fuel injector control module

What are the symptoms of the P0611 code?

When this code appears, there can be a number of different issues noticed by the driver. Some of the drivability issues that might manifest include problems shifting and a decreased fuel economy. Drivers may also notice that the engine stalls or runs rough when it is idle. They may also have trouble when it comes to acceleration. The Check Engine light might come on as well.

How does a mechanic diagnose the P0611 code?

To determine what the problem with the vehicle and the P0611 code, the mechanic will first want to hook up their scanner to the car’s on board computer. They will then check the code and reset it. They reset the code so they can then drive the car and see if it comes back. In some cases, it might have been triggered by accident. If they find that the code has returned, they will have a better idea of what they need to do repair the vehicle.

Common mistakes when diagnosing the P0611 code

In some cases, there may be a number of different codes stored in the vehicle, and this can lead the technician to trying to fix the wrong problems. This means the repair will not work. Some of the other codes that may appear when the P0611 code is stored include fuel injector codes, exhaust codes, and engine misfire codes. It is important for the technician to diagnose the codes in the order in which they were stored. This will make proper diagnosis and repair much easier

How serious is the P0611 code?

The P0611 code can have a number of drivability issues for the driver, and it could be an indicator that something is seriously wrong with the vehicle.

What repairs can fix the P0611 code?

The following are some of the common types repairs the mechanic may need to do to fix the P0611 code:

  • First, the mechanic will check the trouble codes, reset them, and run the vehicle to see if they return
  • The mechanic will also check for any issues with the wiring such as shorted or corroded wires
  • Replace or repair the CAN bus harness
  • Replace a faulty fuel injector control module

Unlike many of the other trouble codes, one of the most common issues for the code to appear is actually a problem with the control module. Replacing the control module is often the easiest and correct solution, but that’s not always the case.

Additional comments for consideration regarding the P0611 code

Most of the time, there are issues with the drivability of the vehicle when the P0611 code is stored. This generally leads people to get the vehicle checked out by a mechanic and repaired. Even in those cases where there are no noticeable drivability issues, it is still important to have these repairs done to make sure nothing else is wrong with the vehicle so that it continues to drive well.

Need help with a P0611 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

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P0611

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