P0979

4E86 - P0979

Information saved in
GS

Fault code
4E86 - P0979

Fault text
Solenoid valve 3

Fault description
Shift Solenoid 'C' Control Circuit Low

Condition for fault identification
Test condition:
Registration according to control signal status,
otherwise no special conditions
Terminal condition: Ignition ON
Voltage condition:
7 ... 16V

Condition for fault memory entry
Filter counter controlled by time or events

Action in service
1. Read out error frequency counter. If fault frequency is > 2
Replace Mechatronic.
2. If fault is passive: Clear fault memory and conduct road
test under monitored conditions. If fault code is not
registered, transmission OK
If fault code is entered repeatedly Replace Mechatronic

Fault effect and breakdown warning


Driver information
Warning light:
E-gearshift: CC-ID420
M-gearshift: CC-ID420
Electr. default mode 6th gear

Service instruction
none