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vwtech0405
vwtech0405, VW Technician
Category: VW
Satisfied Customers: 10640
Experience:  VW Master Technician VW Certified
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Got a code P0073 on 2012 Jetta TDI code reader says its a

Customer Question

got a code P0073 on 2012 Jetta TDI code reader says its a bad ambient sensor temp gauge doesn't work and ac compressor will not turn on. Where is this sensor and how can I check it.
Submitted: 1 year ago.
Category: VW
Expert:  vwtech0405 replied 1 year ago.

Has this vehicle been in a accident ??

Customer: replied 1 year ago.
it was hit on the driver's side rear quarter panel. coincidentally the brake light on that side seems to not be working either, but yes the outside temp gauge and the ac compressor will not turn on after the collision
Expert:  vwtech0405 replied 1 year ago.

No front end damage ??

Customer: replied 1 year ago.
No, none to the front end, I pulled the front bumper cover off completely and removed both headlights and there was no damage at all.
Expert:  vwtech0405 replied 1 year ago.

provide me a vin # ***** i will check tomorrow on certain wiring diagram since this is a TDI model am sure they have wired it differently and i can tell you which one is power and signal on the 2 pin connector it will have .

Customer: replied 1 year ago.
3VWLL7AJ1CM013956
Customer: replied 1 year ago.
thanks for your prompt response, this problem is driving me nuts, and I was glad to hear from you
Customer: replied 1 year ago.
have you found out where I check for the sensor, I really need to get this car going
Expert:  vwtech0405 replied 1 year ago.

Sorry for the delay its supposed to be behind the bumper 2 wires brown/blue sand blue/black wire if its not there it has been removed

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