Hey everyone !!!

I purchased a 2000 A6 4.2l, that was involved in an accident. Front passenger side was hit pritty bad. Finaly i got to the point where the car sits again on 4 whells and i could fire up the engine. Well after i started the engine, check engine light was on, and also the tranny was in limp mode. It had a bunch of codes...
TRANNY:
5 Faults Found:
18262 - Powertrain Data Bus: Hardware Malfunction
P1854 - 35-10 - - - Intermittent
18159 - Supply Voltage too High
P1751 - 35-10 - - - Intermittent
18243 - Pressure Control Valve 5 (N233): Short to Plus
P1835 - 35-10 - - - Intermittent
18258 - Powertrain Data Bus: Missing Message from ECU
P1850 - 35-10 - - - Intermittent
18238 - Pressure Control Valve 4 (N218): Short to Plus
P1830 - 35-10 - - - Intermittent

ENGINE:
8 Faults Found:
18057 - Powertrain Data Bus: Missing Message from ABS Controller
P1649 - 35-10 - - - Intermittent
18056 - Powertrain Data Bus: Failure
P1648 - 35-10 - - - Intermittent
18034 - Powertrain Data Bus: Missing Message from TCU
P1626 - 35-10 - - - Intermittent
18017 - Crash Shut-Down Activated
P1609 - 35-10 - - - Intermittent
18010 - Power Supply Terminal 30: Voltage too Low
P1602 - 35-10 - - - Intermittent
17704 - Error in Mapped Cooling System (usually temp Sensor or Thermostat)
P1296 - 35-10 - - - Intermittent
16497 - Intake Air Temp. Sensor (G42): Signal too High
P0113 - 35-10 - - - Intermittent
16486 - Mass Air Flow Sensor (G70): Signal too Low
P0102 - 35-10 - - - Intermittent
after i cleared the codes, one code instantly came back, wich is 18032, something to check the the TCU for errors.
Just wana say this. The car has only 3k on it, basically it's new. was kept in a garage for 11 years. So i dont think that the tranny itself is bad. I don't know what to do next, what to looking for...
Any help will be greatly apreciated !!!
Thank You in advence !!!

 

Did you also clear the Tcm codes? Clear all codes. Drive it around for a day then scan again. All of your codes are intermittent they might/ might not come back. Report after driving the car a good 100 miles and post the codes that came back.

So this 4.2 has literally 3k miles on it? That's amazing. All of these codes may be the source from not running the car. Any car that is stored for some time is sure to have some problems.

 

I think TCM is right under the front pax carpet and it was hit pretty bad at the same location... you know the rest of story.

 

well yes, was hit pritty hard. i will attache a few pics. and yes, the car has 2800 miles on it. i don't really know the whole story of the car. What i know is that this guy bought it from a auction back in 2001. He bought it for himself, hi is a body man, but in the same time he is a gambler too. So after 11 years kept in the garage, he got in some trouble, money, debt, he decided to sell it. So i took it off his hand last year. I don't know more about the car.
But, when i'm trying to take off, it seems like is in 3rd or 4th gear. Doesen't have power. I still have to bleed the brakes, after that i'll to drive it around, see what's going to happen.
I'll get back, and THANK YOU !!!

 

Make sure no water made it's way into the ABS or Transmission control modules. They are both located in that location. If this car is outside now make sure to keep the weather out.

 

ok, how can i test the TCU to see if it's good or not? Is there any way to run a test on it?

 

angelyno55, by the looks of it, check the TCU Module for any damage. Check the connectors the pins and even the wiring(check for any exposed wiring that would set it off).
Clean the TCU and connectors.