(EGS) 4EF2 - P1704
4EF2 - P1704Information saved in
GS
Fault code
4EF2 - P1704
Fault text
Gear-oil temperature sensor
Fault description
Transmission Fluid Temperature Sensor 'A' Circuit Shorted
Condition for fault identification
Test condition:
Electrical diagnosis,
plausibility check with CCHIP, engine or torque converter
turbine speed >400 rpm
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: No status report
M-gearshift: No status report
No NP
Service instruction
none