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Mk4 OBD Diagnostic Fault Codes


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I successfully rejected my first MK4 last year due to numerous faults with it. I got a replacement end of last year. This weekend, I though I would run an OBD diagnostic check on the car and this is the list of faults. I've had no warning lights, so I am inclined not to bother with another garage visit. What are your thoughts on a trip back to the garage? 

Instrument cluster:

U012787 - Lost Communication With Tire Pressure Monitor Module: Missing Message

U016387 - Lost Communication With Navigation Control Module: Missing Message

Body/convenience system:

B124987

U016387 - Lost Communication With Navigation Control Module: Missing Message

Heater & air conditioning:

U016387 - Lost Communication With Navigation Control Module: Missing Message

ABS:

C14FE14 - Steering Angle Sensor Supply Voltage: Circuit Short To Ground or Open

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Hi, 

these are all happened because of the 12v Battery. If it’s me I will delete them all and hook the Battery to a smart charger and lived for good few hours to get proper charge. Will drive the car for couple of weeks and run a check again. No need to bother with dealers. 
Regards 

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Is there a time / date stamp on the errors? 

I wonder how many where there before you collected the vehicle?

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No time and date. Vehicle is in regular use so I don't think it's  12v issue.

 

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As MR hsd stated, low voltage more than likely during manufacture/transport - it could be something as simple as someone pulling a fuse or 2 to fit a dash cam

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