The automobile fault code U1112 indicates a problem with a module that is not communicating properly.

This can cause the engine light to turn on, indicating a need for service. The cause of this issue could be a faulty module, an open or shorted module harness, or a poor electrical connection in the module circuit. It is important to visually inspect the wiring harness and connectors for any damage or corrosion.

The repair time for this issue is estimated at 1.0, and it is crucial to address the problem promptly to avoid further damage to the vehicle. To interpret the fault code, it is recommended to check the “Possible Causes” listed above and follow the suggested fix.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be a sign of u1112 fault code.

Here are the symptoms to look out for:

  • The U1112 fault code in an automobile can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include issues with the vehicle’s transmission, problems with the speedometer or odometer, and difficulty shifting gears.
  • Additionally, the vehicle may experience a loss of power or acceleration, and the driver may notice a decrease in fuel efficiency.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle and ensure safe driving conditions.

The automobile fault code u1112 can be caused by a faulty module, open or shorted module harness, or poor electrical connection.

  • The automobile fault code U1112 can be caused by a faulty module that is not communicating.
  • It can also be caused by an open or shorted module harness.
  • Additionally, a poor electrical connection in the module circuit can also trigger this fault code.
  • These are the three main causes of the U1112 fault code in automobiles.

Below are some possible fixes for the automobile fault code u1112, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u1112, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The fault code U1112 is a communication error between the vehicle’s electronic control module and the fuel and air metering control module. The estimated repair time for this fault code is 1.0 hour. The cost of fixing this fault code is dependent on the hourly rate charged by the auto repair shop.

The average hourly rate charged by most auto repair shops is between $75 and $150.

Therefore, the cost of fixing the U1112 fault code can range from $75 to $150.

The U1112 fault code is related to the class 2 serial data circuit in automobiles. Modules in the circuit monitor for serial data communications during normal vehicle operation.

When a module does not associate an identification number with at least one critical parameter within 5 seconds of beginning serial data communication, the U1112 Diagnostic Trouble Code (DTC) is set. The U1112 code indicates that there is invalid or missing data for Primary I.

What are the possible causes of the u1112 automobile fault code?

If your engine light is on and you’re seeing the u1112 fault code, it could be due to a faulty module that isn’t communicating, an open or shorted module harness, or a poor electrical connection in the module circuit. To fix this issue, you should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector pins.

How can I visually inspect the related wiring harness and connectors to fix the u1112 fault code?

If you’re experiencing the u1112 fault code, which is indicated by the engine light being on or the service engine soon warning light, there are a few things you can do to fix it. The cause of this issue could be a faulty module that is not communicating, an open or shorted module harness, or a poor electrical connection in the module circuit. To address this, you should visually inspect the related wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.

What are the signs of damaged components that I should look for when fixing the u1112 fault code?

If you’re dealing with a u1112 fault code, keep an eye out for the engine light turning on or the service engine soon warning light. The cause of this issue could be a faulty module that isn’t communicating, an open or shorted module harness, or a module circuit with poor electrical connection. To fix the problem, check the possible causes listed above and visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

u1112 error fault code explained

If your engine light is on and the code is U1112, it could be due to a faulty module or poor electrical connection. Check the wiring harness and connectors for damage or corrosion.

Inspect the components and connector pins for any issues.

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