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Home >> Porsche >> 2002 >> 911 Turbo, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Radio, Navigation & Pcm Diagnosis - 911 Turbo (996) >> 8007 CDR23 >> Open circuit in diagnosis distribution line >> Possible cause of fault

Possible cause of fault

Diagnosis distribution line: short circuit to ground/ B+ or open circuit.

Optical waveguide damaged.

Optical waveguide broken.

Optical waveguide kinked.

The receiving MOST control module is faulty.

CDR23 faulty.

NOTE:
  • The diagnosis distribution line is connected to the following MOST control modules:
  • CDR23 as of model year 2003
  • The MOST optical waveguide is connected to the following control modules:
  • Amplifier
  • CD changer
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