[SOLVED] U1151 Code: Fixing Lost Communication With Vehicle Interface Module

The automobile fault code U1151 indicates a problem with the Vehicle Communication Interface Module (VCIM) in your vehicle.

The most common symptom is the illumination of the Engine Light or Service Engine Soon Warning Light. The cause of this fault code could be a faulty VCIM, an open or shorted VCIM harness, or a poor electrical connection in the VCIM circuit.

It is important to address this issue promptly as it can affect the communication between various systems in your vehicle. The repair process involves visually inspecting the wiring harness and connectors, checking for damaged components, and looking for broken, bent, pushed out, or corroded connector pins.

The repair time for this fault code is estimated to be around 1.0 hour. To interpret the fault code, it is recommended to check the “Possible Causes” listed above and visually inspect the related components.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	10.0 (Out of 10)

Unveiling U1151: Common Symptoms Of This Automobile Fault Code

If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be a sign of u1151 fault code. Here are the symptoms to look out for:

The automobile fault code U1151 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

Decoding U1151: Common Causes Of The Fault Code

The automobile fault code u1151 can be caused by a faulty VCIM, open or shorted harness, or poor electrical connection.

The automobile fault code U1151 can be caused by a faulty Vehicle Communication Interface Module (VCIM).
It can also be caused by an open or shorted Vehicle Communication Interface Module harness.
Additionally, a poor electrical connection in the Vehicle Communication Interface Module circuit can also trigger this fault code.

Fix U1151: Quick Steps To Solve The Fault Code

Below are some possible fixes for the automobile fault code u1151, including inspecting wiring harness and connectors for damage or corrosion.

To fix the automobile fault code u1151, first, check the possible causes listed above.
Then, visually inspect the related wiring harness and connectors.
Look for any 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.

Crunching The Numbers: U1151 Diagnosis Cost & Complexity

The factors that influence the cost of fixing the automobile fault code U1151 are the estimated repair time and the hourly rate charged by the auto repair shop.

The estimated repair time for this fault code is 1.0 hour. The hourly rate charged by most auto repair shops ranges between $75 and $150 per hour. These factors play a crucial role in determining the overall cost of fixing the U1151 fault code.

U1151 Fault Code: Understanding The Communication Error

The U1151 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 doesn’t receive a message for a critical operating parameter, it records the identification number of the module which sent the message for the state of health monitoring.

If no message is detected from a learned identification number for 5 seconds, a Diagnostic Trouble Code (DTC) U1151 is set.

This code indicates that there is a lost communication with the Vehicle Communication Interface Module.

FAQ

What is the possible cause of the engine light being on when the automobile fault code u1151 is detected?

If the engine light is on and the automobile fault code u1151 is detected, it could be due to a faulty Vehicle Communication Interface Module (VCIM), an open or shorted VCIM harness, or poor electrical connection in the VCIM circuit. To fix this issue, one should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can one fix the u1151 automobile fault code issue?

If you’re experiencing the u1151 automobile fault code issue, you may notice that your engine light is on. This could be due to a faulty Vehicle Communication Interface Module (VCIM), an open or shorted VCIM harness, or a poor electrical connection in the VCIM circuit. To fix the issue, start by visually inspecting the wiring harness and connectors. Look for any damaged components or broken, bent, pushed out, or corroded connector pins.

What should be visually inspected when trying to fix the u1151 automobile fault code issue?

If you’re trying to fix the u1151 automobile fault code issue, start by checking for the symptom of the engine light being on. The cause of this issue could be a faulty Vehicle Communication Interface Module (VCIM), an open or shorted VCIM harness, or a poor electrical connection in the VCIM circuit. To fix the issue, visually inspect the related wiring harness and connectors, checking for damaged components and broken, bent, pushed out, or corroded connector pins.

Wrap Up

If your engine light is on and the code is u1151, it may be due to a faulty Vehicle Communication Interface Module (VCIM), an open or shorted harness, or poor electrical connection. To fix it, visually inspect the wiring harness and connectors for damage or corrosion and check for broken or bent pins.