[SOLVED] Fixing U183B: Communication Error Between Transmission And Pump Control

The automobile fault code U183B indicates a problem with the Transmission Control Module (TCM) or its related wiring harness and connectors.

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 TCM, an open or shorted TCM harness, or a poor electrical connection in the TCM circuit. The importance of repairing this issue lies in the fact that it can affect the performance of the transmission and lead to further damage. The repair difficulty is moderate, and it takes approximately 1.0 hour to fix.

To interpret the fault code, one needs to check the possible causes listed above and visually inspect the related 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)

If you see the Engine Light ON or Service Engine Soon Warning Light, it could be due to the u183b fault code.

Here are the symptoms to look out for:

  • The U183B fault code in an automobile can cause the following symptoms: – The engine light will turn on or the service engine soon warning light will appear.
  • – The vehicle may experience a decrease in fuel efficiency.
  • – The engine may misfire or have difficulty starting.
  • – The transmission may shift roughly or erratically.
  • – The vehicle may experience a loss of power or acceleration.
  • – The engine may stall or shut off unexpectedly.
  • – The vehicle may emit excessive exhaust smoke.

The automobile fault code u183b can be caused by a faulty TCM, open or shorted TCM harness, or poor electrical connection.

  • The automobile fault code U183B can be caused by a faulty Transmission Control Module (TCM).
  • It can also be caused by an open or shorted Transmission Control Module harness.
  • Additionally, a poor electrical connection in the Transmission Control Module circuit can also trigger this fault code.

Below are some possible fixes for the automobile fault code u183b, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u183b, 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 U183B is a common issue in automobiles. The estimated repair time for this fault code is 1.0 hour. The cost of fixing this fault code is influenced by the repair time.

Most auto repair shops charge between $75 and $150 per hour.

Therefore, the cost of fixing the U183B fault code can range from $75 to $150. It is important to consider the repair time when estimating the cost of fixing this fault code.

The U183B code indicates a loss of communication between the Auxiliary Transmission Fluid Pump Control Module and the Transmission Control Module.

The serial data circuit is responsible for communication between devices in the vehicle.

When a device stops communicating on the serial data circuit, other devices detect its absence and set a DTC associated with the loss of the state of health of the non-communicating device.

The U183B code does not represent a failure of the devices that contain the stored DTC.

What are the possible causes of the engine light being on due to the u183b fault code?

If the engine light is on due to the u183b fault code, it could be caused by a faulty Transmission Control Module (TCM), an open or shorted TCM harness, or a poor electrical connection in the TCM circuit. To fix the issue, it is recommended to 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 u183b fault code?

If you’re experiencing the u183b fault code, which is indicated by the Engine Light ON or 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 Transmission Control Module (TCM), an open or shorted TCM harness, or a poor electrical connection in the TCM circuit. To address this problem, 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’s pins.

What are the consequences of not fixing the faulty Transmission Control Module (TCM) causing the u183b fault code?

Ignoring the faulty Transmission Control Module (TCM) causing the u183b fault code can lead to serious consequences. The engine light will remain on, indicating a problem with the transmission. This can cause the vehicle to shift poorly or not at all, leading to decreased fuel efficiency and potential damage to the transmission. It is important to check the possible causes, visually inspect the wiring harness and connectors, and look for damaged components to avoid further damage.

u183b error fault code explained

If your engine light is on, it could be due to a faulty Transmission Control Module (TCM), an open or shorted TCM harness, or poor electrical connection.

To fix it, visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

Scroll to Top