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Home >> Porsche >> 2003 >> 911 Turbo, Automatic >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Lights, Lamps, Switches Interior, Theft Protection Diagnosis - 911 Turbo (996) >> Fault code 23 >> Diagnosis/troubleshooting

Fault code 23: Diagnosis/troubleshooting

DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 23)

Work instruction Display OK If not OK
1 Check wire from the alarm system control module to the DME control module for short circuit to B+.
  • Switch off ignition
  • Pull plug A off the alarm system control module Pull plug A off the DME control module
  • Switch on ignition
  • Measure voltage between plug A on alarm system control module pin 23 and ground
0 V
Step 2
Repair wiring harness
-> End
2 Check wire from the alarm system control module to the DME control module for open circuit
  • Measure resistance between plug A on alarm system control module pin 23 and plug A on DME control module pin 3
< 5
Step 3
Repair wiring harness
-> End
3
  • Replace DME control module as a test
-> End