Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 1031
DME 7.8 DME 7.8 0 · 0-178P1508
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DME 7.8 DME 7.8 0
0-178P1508
408 Torque comparison function monitor - signal
implausible
Diagnosis conditions
• Engine speed greater than 1,120 rpm
Possible fault cause
♦DME control module faulty
Affected terminals
Diagnosis/troubleshooting
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 P1508 0-178 page 1
Printed in Germany, 2000 p1508
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