2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 125
Fault description
Throttle Valve Actuator Start Test Re-Adaptation Required
Condition for fault identification
Test condition:
Switch terminals
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system >= 10 V
Condition for fault memory entry
1 sec.
Action in service
1) Note collateral issues related to initial adaptation,
2) Check: The sum of throttle valve voltages must equal 5
V,
3) Perform electrical check on wiring to throttle valve
sensors and throttle valve motor, visual inspection of plug-in
contacts (at component, wiring harness and DME),
4) Replace component
Fault effect and breakdown warning
Driver information
Warning light:
CC status report: Reduced engine performance!,
MIL ON
EMB + rpm limit 1300 rpm
Service instruction
none
2CFE
2CFE - P1635
Information saved in
DME
Fault code
2CFE - P1635
Fault text
Throttle valve, continuous adaptation
Fault description
Throttle Valve Adaptation Lower Mechanical Stop not
Adapted (Bank 1)
Condition for fault identification
Test condition:
none
Terminal condition: none
Voltage condition:
none
Condition for fault memory entry
none
Action in service
none
Fault effect and breakdown warning
