Sensodrive ECU swap

If you have Automatic gearbox problems or issues that would only affect an Auto, please ask here.

Please provide as much information as possible including photos you have taken and uploaded directly to the topic.
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One question per topic about an Auto or semi-auto gearbox can be posted in this section
No engine questions
Think: Auto not changing up or down, snowflake/sport flashing, flappy paddles, actuator fault and sensodrive not changing gear.
My Name: zebedee2001

Experienced Member
Posts: 86
Joined: Fri Jan 16, 2015 4:40 pm
Model: C3 2006-2009, Facelift model
Year: 2009 (59)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 130000
Trim Level: Airdream+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 diesel (70 PS)
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Hi,

Wife's car has broke again. Car won't even turn over. Lexia informs me that the clutch isn't in the right position & the power relay is locked out. Checked the gearbox by removing the actuator & the gearbox selector isn't locked like before. It had a new cutch activator recently. I removed the gearbox ECU & it has a loud metallic rattle!

I have looked for 2nd hand ECUs on E-bay & can't find the exact one:-

Siemens SIM 82
S118475201


I can find ones with the same hardware number (HW9640922780) but not the software (SW9654956280) or S118475201 number. Can I just get & fit anyone with the same HW number? Do I need to reprogram it? Is here anything I need off the old one to trnasfer to the new one?

All help appreciated!
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My Name: zebedee2001

Experienced Member
Posts: 86
Joined: Fri Jan 16, 2015 4:40 pm
Model: C3 2006-2009, Facelift model
Year: 2009 (59)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 130000
Trim Level: Airdream+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 diesel (70 PS)
Has thanked: 2 times
Been thanked: 13 times

Post

Sorry, should have stated that it's a 54 plate 1.4 16V petrol C3 with sensodrive.... My profile statement is my diesel C3!
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My Name: Arfur Dent

Guru
Posts: 3308
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
Has thanked: 259 times
Been thanked: 112 times

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zebedee2001 wrote: ↑Mon Dec 17, 2018 9:22 pm Hi,

Wife's car has broke again. Car won't even turn over. Lexia informs me that the clutch isn't in the right position & the power relay is locked out. Checked the gearbox by removing the actuator & the gearbox selector isn't locked like before. It had a new clutch activator recently. I removed the gearbox ECU & it has a loud metallic rattle!

I have looked for 2nd hand ECUs on E-bay & can't find the exact one:-

Siemens SIM 82
S118475201


I can find ones with the same hardware number (HW9640922780) but not the software (SW9654956280) or S118475201 number. Can I just get & fit anyone with the same HW number? Do I need to reprogram it? Is here anything I need off the old one to trnasfer to the new one?

All help appreciated!
Hi zebedee2001

I wouldn't worry too much about the software/firmware version on the sticker because if it has been updated by lexia, they won't print and stick on a new sticker.

I would go for the closest HW match and do a software update on it with lexia, if necessary.

I am not aware of any extra coding to the car, but you have lexia and the car so it won't take too long to double check the gearbox ECU is talking to the BSI.
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