Fault present in control module Transmission (P0798)

P0798
Fault present in control module Transmission (P0798)
Possible cause:
­ Transmission
Affected functions:
­
­
Engine diagnosis
Automatic transmission Function
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Test 1: Check component Y3/8n4 (Fully integrated transmission control (VGS) control unit).
Test 2: Note
1. Check component Y3/8n4 (Fully integrated transmission control (VGS) control unit).
Read and process fault code from control module Y3/8n4 (Fully integrated transmission control (VGS) control unit).
Possible cause and remedy
­ Read and process fault code from control module Y3/8n4 (Fully integrated transmission control (VGS) control unit).
End of test
2. Note
NOTEProcess fault codes in control unit Transmission.Do you want to switch over to control unit Transmission?
YES
Warning!Communication with ECU required.
NO
2. No further information available.