P1637
2CEE - P1637Information saved in
DME
Fault code
2CEE - P1637
Fault text
Throttle-valve actuator, sluggish movement
Fault description
Throttle Valve Position Control, Control Deviation (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
less than 1 sec.
Action in service
1) Check engine-management fuses (5-position fuse box in
E-module),
2) Visual exmaination of contacts on throttle valve plug,
3) Check throttle valve for stiction and replace component
as indicated
Fault effect and breakdown warning
Driver information
Warning light:
CC None 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
Service instruction
none