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PSM problem...help

skandalis447

By skandalis447
in 996 TT, 996 TT S, 996 GT2

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skandalis447 Member

skandalis447

Posted
Posted

Hello there guys...I am experiencing some troubles with PSM...It flashes and code is 4206,front left speed sensor...I replaced it but the code is still there from time to time...any ideas?First sensor was "short circuited to ground" while second sensor was signal implausible...Is there a polarity to sensor connector?The car might run ok for 200miles and then suddenly PSM/ABS is on...Help please...

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Loren Member

Loren

Posted
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Posted

PSM Fault code 4206 -- Speed sensor, front left

Incorrect signal from speed sensor

Possible cause of fault

- Toothed ring/speed sensor soiled or damaged, wheel-bearing play too great

- Pick-up due to faulty shield

- Speed sensor faulty

- Control unit faulty

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