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B7 won't start error 17925

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Old 12-20-2010, 02:51 AM
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Default B7 won't start error 17925

I can't find error code 17925 / P1517 in ross-tech wiki. Anyone can tell what is the meaning of this fault codes / symptoms / fixes?
Old 12-20-2010, 07:12 AM
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Main Relay Circ. Electrical Malfunction,
there is a relay problem , that powers everything in your car , could be a fuse as well, check all the fuses first, maybe one could be blown
contact local dealer have them tow the car for free and they will fix this under warranty you have
Old 12-20-2010, 03:43 PM
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Car's out of warranty.
Should there be another fuse box coming from the battery side just like at the A3 8L / TT 8N?
Old 12-20-2010, 06:43 PM
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so what is the year a model ?

the fuses are inside the cabin,
the relays are located inside the box where the ECU is located , and behind the knee bolster you need to drop trim to access it
you need to get repair manual for your vehicle it will tell you all the locations of each relay and fuses ,
Old 12-20-2010, 06:59 PM
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Originally Posted by audifirst
so what is the year a model ?

the fuses are inside the cabin,
the relays are located inside the box where the ECU is located , and behind the knee bolster you need to drop trim to access it
you need to get repair manual for your vehicle it will tell you all the locations of each relay and fuses ,
A4 type B7. MY2006.

Can I purchased the relay off the web or only dealer has it...?
Old 12-21-2010, 09:29 AM
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first you need to find out which relay is bad, not all of them are the same, each has different AMP and design and price is different , once you find bad relay, each relay has part# printed on them then you can possibly buy it on the net if they don't carry then you need to go to dealer
Old 12-22-2010, 06:42 PM
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the car manage to start after about 15mins of puting the ignition to on.
i doubt its the fuse, since it manage to start.
i wonder where is that relay located...
Old 12-26-2010, 10:15 PM
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Originally Posted by audifirst
first you need to find out which relay is bad, not all of them are the same, each has different AMP and design and price is different , once you find bad relay, each relay has part# printed on them then you can possibly buy it on the net if they don't carry then you need to go to dealer
found the relays at the ECU bay just at the firewall area.
3 relays nos. 373 (with 15Amps on top compartment of it), relay 614 (with 40Amps on top compartment of it), and another small relay didn't get its numbers.
I checked the fuses, none of them were blown.
I fiddled around the relays, and now the car is it no state i.e. no activity at instrument panel just "ABS" "SEATBELTS" "AIRBAG" "PARKING BRAKE" "ENGINE CHECK" indicators. Car can't horn, but light able to on, and still no start.
I think i did something worse while fiddling the relays. What's relay 373 and 614?
Old 12-26-2010, 11:15 PM
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Default updates...

found out that the battery somehow drained whilst fiddling with the relay..
normalize all connections, jump start the battery and engine manage to start with error
"P1602".
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