VVDI MB BGA Tool Failed To Connect to ME 9.7 Solution

VVDI MB BGA Tool Benz professional key programmer,and try to connect with ME 9.7,but failed,what is the solution?

vvdi mb tool connection

Problem suggestion:

Connect ME97 to read data from ECU, did not try to reset. Check the scheme of connection.

Connect VVDI MB Tool to ECU directly with ECU with power supply. Every function is fine. If you use Benz ECU test adapter cable, please check the can high and can low of the plug wehtehr is short circuit. Sometimes there will be short circuit on the serial port of the ECU adapter.
vvdi mb tool me9.7

OBD2 side:

Pin
Number
Pin
Name
Description
1 K-Line  Ignition control (EZS), air-conditioner (KLA), PTS, safety systems (Airbag, SRS, AB) and some other
3 TNA  TD engine rotation speed
4,5 GND  Ground
6 CAN-high  CAN-High (including AirBag system in W203, W209, W220, W240, R230, ?215 after 2004y)
7 K-Line  Engine control diagnostic (ME/MSM/CDI)
8  Ignition,…
9 K-Line ABS, ASR, ESP, ETS, BAS diagnostic
11 K-Line  Gearbox and other transmission components (EGS, ETC, FTC)
12 K-Line  All activity module (AAM), Radio (RD), ICS, …
13 K-Line  AB diagnostic – safety systems
14 CAN-Low  CAN
15 K-Line  IC, KI), TAU, LWR diagnostic
16 +12V  Power

ECU Side:
2: Ground
15 & 16: 12 Volts
41: CAN High
54: CAN Low

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