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Home >> Porsche >> 2004 >> 911 Carrera 4S (996) F6-3.6L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> PCM - Porsche Communication System >> Test Point 1-23 (PCM) >> Test Point 21

Test Point 21

Fault, Fault Code 40 Test Point 21

Fault, memory interface Value range

Possible causes, elimination, notes

Replace display and operator control unit.

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