The automobile fault code U1102 is related to communication issues between different modules in the vehicle. The symptoms of this fault code may include intermittent or complete loss of communication between modules, resulting in various warning lights on the dashboard. The cause of this issue could be due to faulty or intermittent connections in the ignition switch, wiring harness, or various modules such as the Powertrain Control Module (PCM), Body Control Module (BCM), or Instrument Panel Cluster (IPC).

The importance of repairing this issue is crucial as it can affect the overall performance and safety of the vehicle. The repair difficulty is moderate, and the fix involves visually inspecting the wiring harness and connectors for any damage or corrosion.

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

Here are some symptoms that may indicate the presence of the automobile fault code u1102:

  • The fault code U1102 is related to the communication between the vehicle’s control modules.
  • Symptoms of this fault code include: – Loss of communication with the ABS module – Malfunction indicator lamp (MIL) illumination – ABS warning light illumination – Traction control warning light illumination – Brake warning light illumination – Speedometer may not function properly – Harsh shifting or transmission issues – Engine may not start or may stall – Loss of power steering assistance.

The automobile fault code u1102 can be caused by various faulty or intermittent connections.

  • The automobile fault code U1102 can be caused by several factors.
  • These include faulty or intermittent ignition switch connections, J1850/SCP/CAN Bus wiring that is intermittently open, shorted to power or ground, faulty or intermittent connections at the Powertrain Control Module (PCM), Body Control Module (BCM), and Instrument Panel Cluster (IPC).
  • It is important to check all of these potential causes when diagnosing and fixing the U1102 fault code.

To fix the u1102 automobile fault code, check the possible causes and inspect the related wiring harness, connectors, and components for damage.

  • To fix the automobile fault code u1102, 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.

The fault code U1102 indicates a communication error between the PCM and the ABS control module. The estimated repair time for this fault code is 1.0 hour.

The cost of fixing this fault code depends on the hourly rate charged by the auto repair shop.

Most auto repair shops charge between $75 and $150 per hour. Therefore, the cost of fixing the U1102 fault code can range from $75 to $150.

The automobile fault code U1102 indicates a communication problem between the Powertrain Control Module (PCM) and other controllers on the bus network.

This fault code is triggered when the PCM is unable to communicate with any other controller on the bus network while the ignition switch is in the RUN position.

This communication failure can lead to a range of issues, including poor engine performance, reduced fuel efficiency, and even complete engine failure. It is important to address this fault code as soon as possible to prevent further damage to the vehicle.

What are the possible causes of the u1102 automobile fault code?

The u1102 automobile fault code can be caused by faulty or intermittent ignition switch connections, J1850/SCP/CAN Bus wiring intermittently open, shorted to power or ground, faulty or intermittent connection at the Powertrain Control Module (PCM), Body Control Module (BCM), or Instrument Panel Cluster (IPC). To fix the 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 visually inspect the related wiring harness and connectors to fix the u1102 fault code?

To fix the u1102 fault code, start by checking the possible causes, including faulty ignition switch connections, open or shorted wiring, and faulty connections at the PCM, BCM, or IPC. Visually inspect the related wiring harness and connectors for any damage, broken, bent, pushed out, or corroded pins. This will help identify any issues and allow for proper repairs to be made.

What are the specific components that should be checked for damage when fixing the u1102 fault code?

When fixing the u1102 fault code, it is important to check for damage in several components. These include faulty or intermittent ignition switch connections, J1850/SCP/CAN Bus wiring that is intermittently open, shorted to power or ground, faulty or intermittent connections at the Powertrain Control Module (PCM), Body Control Module (BCM), and Instrument Panel Cluster (IPC). To fix the 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.

u1102 error fault code explained

To fix the u1102 fault code, check for faulty ignition switch connections, wiring issues with J1850SCPCAN Bus, and faulty connections at the PCM, BCM, and IPC. Inspect wiring harness and connectors for damage, broken, bent, pushed out, or corroded pins.

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