Radio; Pcm - Porsche 996 TT Repair Manual

instrument cluster will be incorrect or deleted.
• If the tank contains less than 19 l, it is possible that the fuel level
warning light is no longer activated.
If the power supply is restored with the fuel level at less than 19
•
l, it is possible that the fuel level display may subsequently
display an incorrect value.
This may lead to the vehicle breaking down.
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9120 Radio

Problem
The radio reverts to the Code function when the battery
is disconnected and is thus no longer ready for operation.
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9110 PCM

Problem
• The PCM reverts to the Code input
function when the battery is
disconnected and is thus no longer
ready for operation.
• When the power supply is
disconnected, the built−in GPS
receiver loses the so−called almanac
containing the satellite orbital paths.
• The date and time are deleted when
the battery is disconnected.
Radio stations stored by the customer
•
are no longer displayed.
• If the telephone card was inserted
and the telephone was ready for
operation, the telephone is
subsequently disabled.
9023 Fuel level display
einordnung
Remedy
1. Input the radio code.
2. If the code card is unavailable, the radio
code can also be read from the DME
control module (under "Vehicle data").
3. It is also possible to gain this code from
the Porsche IPAS.
Remedy
1. Input the PCM code. If the code card is unavailable,
the PCM code can also be read from the DME
control module (under "Vehicle data").
2. It is also possible to gain this code from the Porsche
IPAS.
3. Switch on the PCM with a free panoramic
view for approx. 20 minutes (to load GPS
almanac).
4. The date and time are also adopted once the GPS
almanac has been loaded; it may be necessary to
change over to summer time (daylight−saving time).
This time is transferred to the instrument cluster. If the
time is then manually changed by means of the
instrument cluster, this time is adopted by the PCM and
synchronised with GPS time.
5. The stored stations are displayed again when
station buttons 1 to 6 are pressed.
guaranteed.
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