2CFB - P1633

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

none

2CFB - P1633 (DME)

2CFB - P1633

Information saved in

DME

Fault code

2CFB - P1633

Fault text

Throttle-valve adaptation value

Fault description

Throttle Valve Adaptation Limp-Home Position Unknown (Bank 1)

Condition for fault identification

Test condition:

Terminal change and request for adaptation Terminal condition: Terminal 15 ON Voltage condition:

Voltage in onboard electrical system >= 10 V

Condition for fault memory entry

none

Action in service

Check: Sum of throttle valve voltages must equal 5 V,

Perform electrical check on wires to throttle valve sensors,

Visual inspection of plug-in terminals (on components, wiring harness and DME),

Component defect improbable, replace throttle valve only in emergency

Fault effect and breakdown warning

Driver information

Warning light:

CC status report: Reduced engine performance!, MIL ON

EMB + rpm limit 1300 rpm