[SOLVED] Fixing U1884: Hybrid Control Module Communication With Door Module Lost

If you see the engine light on or the service engine soon warning light, it could be due to the automobile fault code u1884.

This code indicates a problem with the passenger door module (PDM) or its related components. The cause could be a faulty PDM, an open or shorted PDM harness, poor electrical connection in the PDM circuit, or a faulty hybrid control module (HCM).

The importance of repairing this issue lies in the fact that it can affect the overall performance of your vehicle. The repair difficulty is moderate, and it takes around 1.0 hour to fix. To interpret the fault code, you need to check the possible causes listed above and visually inspect the related wiring harness and connectors.

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 u1884 fault code.

Here are the symptoms to look out for:

  • The automobile fault code U1884 has the following symptoms: Engine Light ON (or Service Engine Soon Warning Light).

The automobile fault code u1884 can be caused by a faulty PDM, open or shorted harness, poor electrical connection, or a faulty HCM.

  • The automobile fault code U1884 can be caused by a faulty Passenger Door Module (PDM).
  • It can also be caused by an open or shorted Passenger Door Module harness.
  • Another cause can be a poor electrical connection in the Passenger Door Module circuit.
  • Lastly, a faulty Hybrid Control Module (HCM) can also trigger this fault code.

To fix the u1884 automobile fault code, check the possible causes and inspect related wiring harness and connectors for damage.

  • To fix the automobile fault code u1884, 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 automobile fault code U1884 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour.

Therefore, the total cost of fixing the U1884 fault code will depend on the hourly rate charged by the auto repair shop and the estimated repair time required to fix the issue.

The U1884 code is related to the Hybrid Control Module. It indicates that there is a communication problem with the Passenger Door Module. This fault code is reported on a class 2 link to the scan tool by the Powertrain Control Module.

The code will set when a node alive message has not been received from the Passenger Door Module within the last 5 seconds after establishing class 2 serial data communication.

What are the possible causes of the u1884 automobile fault code?

If you’re experiencing the u1884 fault code, your engine light may be on. This could be due to a faulty Passenger Door Module (PDM), an open or shorted PDM harness, a poor electrical connection in the PDM circuit, or a faulty Hybrid Control Module (HCM). To fix the issue, 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.

How can I fix the u1884 automobile fault code?

If you’re experiencing the u1884 fault code, your engine light may be on. This could be due to a faulty Passenger Door Module (PDM), an open or shorted PDM harness, a poor electrical connection in the PDM circuit, or a faulty Hybrid Control Module (HCM). To fix the issue, visually inspect the wiring harness and connectors, checking for damaged components and broken, bent, pushed out, or corroded connector pins.

What should I visually inspect to troubleshoot the u1884 automobile fault code?

If you’re experiencing the u1884 automobile fault code, you may notice that your engine light is on. This could be due to a faulty Passenger Door Module (PDM), an open or shorted PDM harness, a poor electrical connection in the PDM circuit, or a faulty Hybrid Control Module (HCM). To troubleshoot this issue, visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

u1884 error fault code explained

If your engine light is on, it could be due to a faulty Passenger Door Module (PDM), an open or shorted harness, a poor electrical connection, or a faulty Hybrid Control Module (HCM). Visually inspect the wiring harness and connectors for damage and check for broken, bent, pushed out, or corroded connector pins.

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