P1639
250
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
1) Check engine-management fuses (5-fuse holder in E
module),
2) Visual inspection of throttle valve plug contacts and
electrical check on throttle valve motor wires,
3) 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
