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Member Since: 05 Jan 2023
Location: Satakunta
Posts: 17
Finland 
Rear differential control unit electronic testing

To put long story short: I get U0136 error and now powering Haldex control unit by external 12 Vdc supply + connecting diagnostic equipment directly to HS CAN pins of control unit. Automatic scan but no any control unit found Sad
Current from 12Vdc is 900 mA, so something happens inside the control unit but no communication -> does this means that Haldex electronics is dead? Evoque 2012, TD4
Freelander 1, KV6 (gone)
Volvo 2005, S40 2.4i
Audi TT 2005, 1.8 Quattro
Post #434721 4th Aug 2023 3:05 pm
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Member Since: 05 Jan 2023
Location: Satakunta
Posts: 17
Finland 

Today got used differential and Haldex unit was a bit younger than mine - I put connectors on place and there was no errors, some rainy day I will put it permanently into place and try how it drives but now seems promising Smile Evoque 2012, TD4
Freelander 1, KV6 (gone)
Volvo 2005, S40 2.4i
Audi TT 2005, 1.8 Quattro
Post #434918 14th Aug 2023 6:51 pm
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