Help With CDR23 Radio Code

[whall]

I have recently installed an MY02 Carrera C2 instrument cluster (and Carrera oil pressure sender) in my MY03 base Boxster. Everything works properly except for the CDR23 radio. I started this modification knowing that there would be issues with the radio, but had read in one of 6 or 7 previous threads that the radio could be "massaged" with a PIWIS or PST2 into thinking it was still talking to the original instrument cluster. The CDR23 doesn't use a "radio code" like the earlier CDR220's, etc.

Things I've tried so far:

1. Tried to change the VIN in the cluster (couldn't), and

2. Referencing TSB 9120 (5/02), Part 3, changed the type code in the radio - and amplifier - to "911" and the variant code to "coupe", to reflect the cluster installed (no effect).

Sometimes, when I turn the radio "ON", I don't get the "PROTECT" message, I get the frequency of the last radio station I had tuned prior to changing the cluster....but I don't get any sound and can't change the station or program source.

In an earlier thread, bluboy911 had reported that an independent shop had indeed recoded his MY03 Boxster's radio to work with an MY02 Carrera instrument cluster.

If anyone can give me a hand with this, I would appreciate it.

Cheers,

Bill

[Loren]

:oops: I must have been asleep before...

A MY02 996 cluster does not support CDR-23. MY02 still had CDR-220.

Only thing that can I think of to try would be the CDR-23 setting in the DME.

[Tool Pants]

Bluboy911 put a 2002 996 cluster in a 2003 986. http://www.renntech.org/forums/index.php?s...amp;#entry45189

A few years ago I asked Peter if it was possible to used a non MOST cluster in a MOST car and he was not sure if the radio would work. As predicted, Bluboy911 ran into the problem of getting the radio to work, but he got it to work.

[Stefan]

I would think that a non-MOST radio would simply connect the way any non-MOST radio connects to the car. You would use a non-MOST amplifier and connect the two of them to power. The MOST bus wouldn't know about the radio but that hardly matters.

[Richard Hamilton]

I expect bluboy911 transferred the data from the original cluster to the "new" cluster by using the replacement routine in the manual:

Control module replacement

In the menu item Control module replacement, the control module of the instrument cluster is replaced.

When doing this, the tank calibration is transferred from the old instrument cluster to the new one.

Procedure:

1. Connect PST2 and switch on the ignition

2. Select vehicle type Boxster (986) and start the automatic control module search

3. Select Instrument cluster control module

4. Select menu item Control module replacement

5. Read out values with PST2

6. Remove instrument cluster

7. Install new instrument cluster

9. Store values in the new instrument cluster with PST2.

This won't transfer the mileage, of course