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Old 15th January 2021, 17:42   #1
thanos.m
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Default Sunlight sensor and memory seats

Hi all,

Just took my car back from the garage and I have 2 issues we had heater matrix out to flush it and now my climate control is playing up it beebs 3 times every time I start the car and screen doesn't turn on unless I press a button I scanned it and came back with fault 21 add 22 solar sensor my guess the cable must have gotten knocked off the sensor it is connected up on the dash but I could not trace were that wire goed does anyone know were it plugs in ? Second issue is my memory seat has stopped working checked all the cables under the seat they are fine I press the memory button and then a number it will beeb once but if I try to recall the memory nothing happens any ideas?
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Old 15th January 2021, 18:05   #2
SD1too
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Quote:
Originally Posted by thanos.m View Post
... I scanned it and came back with fault 21 add 22 solar sensor ...
Nothing to worry about here Thanos. There's not enough sunlight at this time of year so the diagnostics assumes it's faulty.
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Originally Posted by thanos.m View Post
Second issue is my memory seat has stopped working ...
Does the seat move if you operate the fore/aft/up/down control?

Simon
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Old 15th January 2021, 18:22   #3
thanos.m
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Hi Simon,

Thanks for your reply why would it act this way though I've never heard the climate control beebing by itself ?

All the controls work fine if I press the store memory button and a memory it will chime like its saved the position but if I try recalling it does nothing no fault codes in the seat module
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Old 15th January 2021, 20:08   #4
SD1too
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... my climate control is playing up it beebs 3 times every time I start the car ...
The ATC ECU performs a diagnostic check each time that the ignition is switched on. The three beeps signify that a fault has been detected.
Are there any other abnormal indications in the ATC LCD panel?
If you suspect that the garage has induced a fault you should take it back to them immediately otherwise they will claim that your actions have caused it.
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Second issue is my memory seat has stopped working ... if I try to recall the memory nothing happens any ideas?
Check the wiring and connections under the seat. The garage almost certainly moved the seat whilst your car was with them.

Simon
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Old 15th January 2021, 20:54   #5
thanos.m
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I found the fault with the atc one plug was not fully seated so this is now fine.

The seat I I've checked all the plugs everything is fine and it will still not recall a memory position every other function is okay when you press the memory button it does absolutely nothing.
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