VW vento mechatronic problem||0AM DSG Mechatronic replacement

Описание: Faults of the gearbox 0AM and their rectification
List of common faults
1. – Vehicle does not run, gearbox control unit without communication.
2. – Uncomfortable sensation during start-up (jerking when starting up), fault in the event memory P0841
02115X or 02113 sender 1 of hydraulic pressure, gearbox - signal invalid.
3. – Metal noise when driving over bumps, memory without faults,
4. – Some gears do not shift, faults will be entered in the event memory.
5. – Uncomfortable sensation during start-up (jerking during acceleration, especially if going uphill or under load).
6. – Uncomfortable sensation during start-up or when accelerating, higher, event memory without
faults, clutches O.K. according to MVB.
7. – Uncomfortable sensation when accelerating, in 2nd gear at low speed, SW 21xx and higher, event memory
without faults, clutches O.K.
8. – Delayed upshifting and poor operation of the cruise control on the 1.6 TDI CR 77 kW.
9. – Noise coming from the gearbox, 6th gear cannot be shifted, fault P073B.
10. –The display of the gears flashes, the vehicle does not run.
11. – The display of the gears lights up, the vehicle does not run.
12. – The gear(s) does/do not shift.
13. – The gears do not shift, the display of the gears flashes.
Faults after replacing the components
1. – After replacing the mechatronics, the basic setting cannot be performed, it is not possible to shift into any
gears
The consequences of the faults on the vehicle and the diagnostic results must always be fully
assessed in their context. If the focus is only on the event memory, it can result in an incorrect

The vehicle does not run, gearbox control unit without communication.
Assessment:
– In the event memory: P0562 / 21148 Supply voltage for the engine too low
P177F / 21065 Excessive voltage drop of hydraulic pump motor
P175F / 21098 Basic setting of the gearbox not performed
P189C / 21247 The diagnosis of the pressure increase cannot be carried out
P174A / 21108 Valve 3 in the gearbox part, electrical fault or automatic gearbox control unit
without communication
– In other control units, faults in the communication with the gearbox control unit (mechatronics)
Cause:
It is an internal fault of the mechatronics - short circuit in the power supply part.
This fault occurs on vehicles with mechatronics

Solution:
(Replacing the mechatronics, checking/replacing the fuse SB2/SB5)

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