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PSM fault

Fares & Repairs
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Fares & Repairs Member

Fares & Repairs

Posted
Posted

Hi all,

I'm looking for a fix for a 2004 Cayenne S which has a fault in the PSM/ABS 8 system. Fault code is 1673. Distance sensor in brake booster. Electrical fault.

I have found links to a TSB but cannot find out the details of this TSB.

Reference number of this TSB is ATI-0903.

Has anyone come across this before?

Thanks in advance.

Adam

  • Admin
Loren Member

Loren

Posted
  • Admin
Posted

I just checked on PIWIS and there is no TSB with that number.

There are no TSBs for PSM related problems for that model year that I find at all.

Fault code 1673

Possible cause of fault
- Actual value of 'distance sensor in brake booster' is evaluated as implausible (implausible signal)
- Short circuit to ground (electrical fault in electric circuit)
- Short circuit to B+ (electrical fault in electric circuit)
- Open circuit in circuit to control module (electrical fault in electric circuit)
Have you followed the troubleshooting diagnostics in the service manual?

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