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On a 2008 Cayenne I have an 'Ignition Fault Lock', the key turns, all the lghts are on but no start. As per the PIWIS it relates several faults, but one caught my attention:

Tiptronic module fault.

On the PIWIS I cannot access the Tiprtonic module, any hints??

Thanks in advance,

Sergio

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Loren,

There are several fault codes as per below:

U0155 lost communication with instriment cluster control module

P1613 lost communication with gateway "a"

P0503 vehicle speed sensor "A" intermittent/erratic/high

P1610 air conditioning control module, no communication

P 1614 steering angle sensor control module, no communication

U0114 lost conmmunication with 4 wheel drive clutch control module

P0000 unkown fault code

U0129 lost communication with brake system control module

P1606 communication ASR control module

U0103 lost communication with gearshift module

Thanks in advance,

Sergio

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Lots of communication faults - how old is your battery?

Have your battery both load tested and specific gravity tested.

Also check the chassis ground points to make sure they are not corroded.

Loren how many ground points does this car have and how can i find them? Thank you.

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  • Admin

Lots of communication faults - how old is your battery?

Have your battery both load tested and specific gravity tested.

Also check the chassis ground points to make sure they are not corroded.

Loren how many ground points does this car have and how can i find them? Thank you.

(click to enlarge)

post-1-0-04625800-1380837418_thumb.png

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  • 1 year later...

hi 993GT2.

 

did u solve the problem? im facing a same problem, fault present with my scanner are P0129 - lost communication with brake system control module and P0503 - vehicle speed sensor A intermittent. now car cannot start, PRESS BRAKE PEDAL pop up..any idea what to to do?

Edited by Faiz Sulaiman
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  • 1 month later...

All related problems are for wetness (Water from the A/C condensation) below the drivers carpet.

The electrical wires get wet and oxidate with time. Search for problems in that cables. Fix them  (re-connect) and you are ready to go.

Edited by paqueras
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