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Fault code 16: Diagnosis/troubleshooting

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 16)

Work instruction Display OK If not OK
1 Check wiring for short circuit to B+.
  • Switch off the ignition.
  • Pull plug A off the alarm system control module.
  • Pull plug off the airbag control module.
  • Pull plug Doff the DME control module.
  • Switch on ignition.
  • Measure voltage between plug A on alarm system control module pin 12 and ground.
 0 V
Step 2		 Repair wiring harness.
-> End
2 Detect faulty control module.
  • Switch off the ignition.
  • Push plug A back onto the alarm system control module.
  • Push plug back onto the airbag control module.
  • Switch on the ignition and read out the fault memory again.
 Fault code 16 no longer present.
Step 4		 Fault code 16 is still present.
Step 3
3 Detect faulty control module.
  • Switch off the ignition.
  • Pull plug off the airbag control module.
  • Push plug D back onto the DME control module.
  • Read out the fault memory again.
 Fault code 16 no longer present.
Step 5		 Fault code 16 is still present.
Step 6
4
  • Replace DME control module.
 -> End
5
  • Replace airbag control module.
 -> End
6
  • Replace alarm system control module.
 -> End
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