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Home >> Porsche >> 2004 >> 911 Turbo Cabriolet (996) F6-3.6L Turbo >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> Antitheft and Alarm Systems >> Fault Code 21

Fault Code 21



Fault Code 21

W lead (DME - immobilizer), open circuit

Diagnostic conditions
- Ignition on

Possible cause of fault
- Short circuit to ground/open circuit in the communication lead between the alarm system control module and the DME control module

Affected terminals
Plug A, terminal 23 Diagnosis/troubleshooting

Diagnosis/troubleshooting


Diagnosis/troubleshooting:




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