Software driven electrics

tony209 · Jul 27th, 2016, 21:36

Does anyone know if the software for all available options such as heated seats, climate control etc. are actually stored in the ECU but 'switched off' for the options that were not installed in the car? This would seem to be the easiest way of catering for bespoke cars on a production line.

The wiring loom has all the connections and behind those blanked off switches are all the electronics for the corresponding equipment so I was just wondering if the software is there too and just requires unblocking.

cheshired5 · Jul 27th, 2016, 22:27

Quote:

Originally Posted by tony209

Does anyone know if the software for all available options such as heated seats, climate control etc. are actually stored in the ECU but 'switched off'

Certain modules may be present but software often has to be downloaded at a dealer or suitably equipped independent plus adding switches etc.
A blanket "everything is there" is a definite no.

Billggski · Jul 28th, 2016, 10:36

In the past I've added things like heated seats and extra lights with no problems. As you say the connections are already in place. I assume there is a common wiring loom. The latest models may well need a software fix, but older ones should be fine.

Jul 27th, 2016, 21:36	#1
tony209 Master Member Last Online: Aug 3rd, 2023 09:39 Join Date: Jun 2014 Location: Chesterfield	Software driven electrics Does anyone know if the software for all available options such as heated seats, climate control etc. are actually stored in the ECU but 'switched off' for the options that were not installed in the car? This would seem to be the easiest way of catering for bespoke cars on a production line. The wiring loom has all the connections and behind those blanked off switches are all the electronics for the corresponding equipment so I was just wondering if the software is there too and just requires unblocking.

Jul 28th, 2016, 10:36	#3
Billggski Senior Member Last Online: Nov 15th, 2019 13:19 Join Date: Feb 2016 Location: Stone	In the past I've added things like heated seats and extra lights with no problems. As you say the connections are already in place. I assume there is a common wiring loom. The latest models may well need a software fix, but older ones should be fine.

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