[SOLVED] U128C Code: Wiper Control Unit Communication Lost – Fix Now!

The automobile fault code U128C indicates a problem with the Wiper Control Unit, which can trigger the Engine Light or Service Engine Soon Warning Light.

The possible causes of this issue include a faulty Wiper Control Unit, an open or shorted Wiper Control Unit harness, or a poor electrical connection in the Wiper Control Unit circuit.

To fix this problem, 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.

The repair time for this issue is estimated to be 1.0.

It is important to interpret the fault code correctly to identify the root cause of the problem and avoid further damage to the vehicle.

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, it could be a sign of the u128c fault code. Here are some symptoms to look out for:

  • The automobile fault code U128C has several symptoms, including the engine light turning on, the service engine soon warning light appearing, and the vehicle’s engine running poorly.
  • Other symptoms may include difficulty starting the engine, reduced fuel efficiency, and a decrease in overall engine performance.
  • Additionally, the vehicle may experience stalling or hesitation while driving, and the transmission may shift roughly or erratically.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle and ensure safe driving conditions.

The automobile fault code u128c can be caused by a faulty wiper control unit, open or shorted harness, or poor electrical connection.

  • The automobile fault code U128C can be caused by a faulty Wiper Control Unit.
  • It can also be caused by an open or shorted Wiper Control Unit harness.
  • Additionally, a poor electrical connection in the Wiper Control Unit circuit can also trigger this fault code.

To fix the u128c automobile fault code, check the possible causes and inspect the related wiring harness, connectors, and components for damage.

  • To fix the automobile fault code u128c, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors.
  • Look for damaged components and broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The automobile fault code U128C has an estimated repair time of 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 for their services. Therefore, the fixing cost of U128C will range between $75 and $150, depending on the repair time required.

These factors should be considered when estimating the cost of fixing the U128C fault code.

The U128C fault code is related to a communication malfunction between the Gauge Control Module and the Wiper Control Unit. This code indicates that there is a lost communication with the Wiper Control.

The Diagnostic Trouble Code (DTC) sets when this issue is detected.

It is important to address this fault code as it can affect the functionality of the wiper control system. A professional mechanic should be consulted to diagnose and fix the issue.

What are the possible causes of the engine light being on when the automobile fault code u128c is detected?

If the engine light is on and the automobile fault code u128c is detected, it could be due to a faulty Wiper Control Unit, an open or shorted Wiper Control Unit harness, or a poor electrical connection in the Wiper Control Unit 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 visually inspect the related wiring harness and connectors to fix the u128c fault code?

If you’re experiencing the u128c 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 possible causes include a faulty Wiper Control Unit, an open or shorted Wiper Control Unit harness, or a poor electrical connection in the Wiper Control Unit circuit. To address these issues, you should visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins.

What are the specific signs of damaged components or broken, bent, pushed out, or corroded connector’s pins that one should look for when fixing the u128c fault code?

When fixing the u128c fault code, one should look for specific signs of damaged components or broken, bent, pushed out, or corroded connector’s pins. The symptom of this fault code is the engine light ON (or Service Engine Soon Warning Light). The cause could be a faulty Wiper Control Unit, Wiper Control Unit harness is open or shorted, or Wiper Control Unit circuit poor electrical connection. To fix this issue, one should visually inspect the related wiring harness and connectors and check for damaged components and connector’s pins.

u128c error fault code explained

If your engine light is on, it could be due to a faulty Wiper Control Unit, an open or shorted harness, or poor electrical connection. Visually inspect the wiring harness and connectors for damage or corrosion.

Check for broken, bent, or pushed out connector pins.

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