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idaice39

Peugeot 406 Tailgate Hall Sensor Fault

I'm encountering a tailgate hall sensor fault on my 2003 Peugeot 406 diesel. The error is stored, and the tailgate doesn't fully open. Given that a defective cable or plug connection is likely, has anyone experienced this, and what diagnostic steps did you take?

Summary of the thread

A 2003 Peugeot 406 diesel is experiencing a tailgate hall sensor fault, causing the tailgate not to fully open. The likely cause is a defective cable or plug connection. Suggested solutions include checking the sensor wiring for damage or corrosion and cleaning the contacts. Ultimately, the issue was resolved by repairing a defective sensor cable, restoring the tailgate's functionality.

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4 comment(s)

franziska_wolf5

Electrical sensor issues can be tricky. Did you check the sensor wiring for damage or corrosion? Maybe try cleaning the contacts before digging deeper.

idaice39 (community.author)

Beyond visual inspection and contact cleaning, is there a method to effectively test the hall sensor's functionality prior to replacement, or is relying solely on error codes sufficient?

franziska_wolf5

While you could try testing the sensor itself with a multimeter, interpreting the readings can be difficult without the proper specs. Considering the symptoms and potential wiring issues, it might be worth having a workshop take a look, especially if you're not comfortable tracing electrical faults.

idaice39 (community.author)

The issue was indeed a defective sensor cable. Repair, including parts and labor, amounted to 95€. The tailgate now functions as expected.

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PEUGEOT

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406