Pics of 996 Carerra cluster into Boxster

[tholyoak]

Bill,

I responded to your PM on Renntech. You are not remapping the DME for the instrument cluster coding. The instrument cluster just accesses the order type code present in the DME vehicle data section in order to know what car type it is in. In this case to look for a top light signal. On later cars with PSM it may have some bearing on PSM settings but I don't think so. I am not familiar with PSM as my car does not have it. Both the order code and trans type must be present in the DME vehicle data section before you can access the coding section of the instrument cluster to change things like wit/without AC, cruise, PSM PCM etc.

For those interested I have two good 996 instrument clusters, one that will work on pre-2001 boxsters with 19k miles (no coding problems with these), and one for 2001 and later that has 20K miles. This one also has the correct coding for the top light and is coded for AC and cruise. If you need the PSM activated I can do that as well. Contact me if you are interested.

Todd

Originally Posted by whall0733

Todd,

Bill Hall here, armed with a little knowledge....and dangerous . I had looked up the order type code for the Cabriolet and was literally almost out the door on my way to my dealer for a try when Thumper emailed me with your information. (As it turned out, the technician who has been helping me is on vacation until Wednesday.)

But, I've since been wondering, what unintended effects might be encountered if the order type is changed in the DME of a car that is still, after all is said and done, a Boxster? Your car, with the Carerra engine, thinks of itself a Carrera in a Boxster's body. Standby......

I just read:

http://www.renntech.org/forums/index.php?showtopic=14234&hl=dme

It appears that my MY03 Boxster's ME 7.8 DME is compatible with Boxsters and Carreras. So, by mapping the DME (or, remapping the instrument cluster portion) nothing will be changed to preclude the car from operating as it did before the procedure. Is this correct?

Cheers,

Bill

[Cloudsurfer]

Well, for what its worth, after several tanks through the car, I am still having my fuel inaccuracies.

Think next step is going to be to speak to the dealer about this.

Patrick

[LowFlyR]

I have the same problem with mine. Did you ever get it working correctly? Did you recalibrate your fuel gauge?

[Thumper]

You must not have a cluster out of a C2. I have put two different C2 Carrera clusters in mine and in both cases the fuel gauge is spot on. If it had only worked correctly with the first cluster, I might have considered myself lucky, but when both worked correctly, I have to assume that it's because I used the correct cluster.

One difference I did find is that the first cluster I used was from an '03 and the oil level could be checked with the engine running, while the second cluster (from an '02) requires that the engine be turned off, but the key on.

First Cluster

Second Cluster
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[Cloudsurfer]

I matched the part # on mine up with a C2 at the dealer before I installed mine, and yes, I still have inaccuracies- the cluster always reading "optimistic." I'd love to find a solution to this, Tholyoak and I have talked about trying a re-calibration, and if we do that I will report the results.

Patrick

[Cloudsurfer]

Tholyoak and I re-flased my cluster yesterday to a C2 Cab (there's no way to tell what it was setup as before) so we'll see if that cures my fuel inaccuracies!

Patrick

[LowFlyR]

Originally Posted by bmwm750

Tholyoak and I re-flased my cluster yesterday to a C2 Cab (there's no way to tell what it was setup as before) so we'll see if that cures my fuel inaccuracies!

Patrick

Keep us posted. I was supposed to do the same last week, but stuff came out and I had to postpone. Later this week I hope...