P0721

4EE9 - P0721

Information saved in
GS

Fault code
4EE9 - P0721

Fault text
Output speed sensor

Fault description
Output Speed Sensor Circuit Range/Performance

Condition for fault identification
Test condition:
Plausibility check with wheelspeeds, during driving
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:
No driver report
No NP

Service instruction
none