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Golf R 2016 Haldex issue multiple errors on infotainment

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Hi, I wonder if anyone can help was carrying out a pump learn on haldex after having service on haldex and filter cleaned which was very bad clogged up.

When the Vcds did the pump learn I got 6 errors on infotainment screen;

Brake hold error

Esc error

No Acc 

Tyre Pressure Indicator error 

Park assist error 

Start stop error 

 

Vcds shows ;

Databus 17178 u1123 received error message

Control Module Awd 131599 no communication 
 

No luck clearing any codes, car drives fine.

 

Garage say they can’t fix at the moment due to Covid 19 and can’t get parts.

 

They say it’s either the haldex pump or haldex ecu causing the issues.

 

Has anyone had something similar and what was the solution/fix, or can anyone advise ?

 

Stressed Golf R owner ! 
 

Thanks 

 

 

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It might not be the cause but it is worth checking your battery isn't low on charge.  Low voltage can cause all sorts of spurious error msgs, and if you were running VCDS for a while without the engine running your battery may have gone flat.  It's an easy, cheap check.

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The errors you have mentioned do seem consistent with battery issues. If the battery is disconnected these errors do activate warning lights - although one or two quick drives soon clear everything


Sent from my iPhone using Tapatalk

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Hi guy thanks for the replies 

I have been on a few drives and nothing has cleared 

if I disconnect the neg on the battery how long should I leave it before reconnecting, I’m worried In case i get more errors !

I also couldn’t clear these errors with vcds or vagcom 401

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I don’t think the module was removed When cleaned, two days later error 16671 was back on haldex pump intermittent fault stored.

my worry is when the vcds performed the pump learn function I got those errors , which i can’t clear 

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So just had battery tested battery fine however the AA couldn’t connect to the car to clear the codes he said it’s either a wiring fault or comms fault 

I really don’t know wtf it is 

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