2CED - P1639

2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction

none

2CED

2CED - P1639

Information saved in

DME

Fault code

2CED - P1639

Fault text

Throttle-valve actuator, jamming continuously

Fault description

Throttle Valve Position Control Throttle Stuck Permanently (Bank 1)

Condition for fault identification

Test condition:

Throttle valve test

Engine must be running

Throttle valve adaptation must not be in progress Throttle valve actuator must be under current

No emergency default mode operation Terminal condition: Terminal 15 ON Voltage condition:

none

Condition for fault memory entry

1 sec.

Action in service

Check engine-management fuses (5-fuse holder in E module),

Visual inspection of throttle valve plug contacts and electrical check on throttle valve motor wires,

Check throttle valve for stiction and replace component as indicated

Fault effect and breakdown warning

Driver information

Warning light:

CC status report: WAL_1, reduced engine power!, MILNone activation control via lv_err_tps_obd,

operation in emergency default mode if trigger point reached otherwise EMB + engine speed governed to 1300 rpm

Mercedes Benz