Condition Wire Does Not Expedite Disable (DME)

2B21 - P1628

Information saved in
DME

Fault code
2B21 - P1628

Fault text
Bank 1 electromotive throttle-valve actuator predrive check

Fault description


Condition for fault identification
Test condition:
CAN OK
Terminal condition: Terminal 87
Voltage condition:
none

Condition for fault memory entry
Wire does not expedite Disable

Action in service
1. Check Bank 1 enable wire
2. Delete stored DTCs from error memory, conduct
electromotive throttle-valve actuator system test
3. Replace electromotive throttle-valve actuator 1

Fault effect and breakdown warning
Engine speed limited to 3500 rpm / DSC lamp / Check
Control message / power reduction / MIL comes on after
engine runs 2x

Driver information
Warning light:
29-Engine malfunction

Service instruction
none