2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 117
Fault code
2CEC - P1638
Fault text
Throttle-valve actuator, jamming briefly
Fault description
Throttle Valve Position Control Throttle Stuck Temporarily
(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
0.5 sec.
Action in service
none
Fault effect and breakdown warning
Driver information
Warning light:
none
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
