Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 619
DME 7.8 DME 7.8 0 · 0-88P0605
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DME 7.8 DME 7.8 0
0-88P0605
405 Control module faulty (ROM) - signal implausible
Diagnosis conditions
• Ignition on
Possible fault cause
♦DME control module faulty
Affected terminals
-
Diagnosis/troubleshooting
Note!
If no fault is present, delete the fault memory.
Work instruction Display OK If not OK
1 Replace DME control module ⇒ Step 2
2 Perform adaptation ♦Switch on the ignition → End → End
♦Wait one minute
♦Do not press the accelerator
♦Switch off the ignition for at
least 10 seconds
♦Read out the fault memory
2470 P0605 0-88 page 1
Printed in Germany, 2000 p0605
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