Vw trw 7n0959655c 95640

[Siman]

Can you please give the correct OBD pinout, tried 3 different modules, still cannot read the DTC.


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DC power supply voltage +12.09V
Turn on 12V on the adapter... ok
Connect to SRS... failed

[AST_Support]

Try to use part number 8F0959655A for on bench diagnostics.

[Siman]

did not work, still the same

Audi A5 Siemens 8F0959655A (diag only) 95640
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DC power supply voltage +12.08V
Turn on 12V on the adapter... ok
Set Service Mode... failed

[AST_Support]

Check the GND pin, it may be different on this SRS unit.

[Siman]

GND pin is ok.
what can be the issue.

[AST_Support]

Part number 8F0959655A should work, try again.
Check if the GND pin has contact to the metal case of the SRS ECU.