2CFC - P1634

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

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2CFC - P1634 (DME)

2CFC - P1634

Information saved in

DME

Fault code

2CFC - P1634

Fault text

Throttle valve, start check

Fault description

Throttle Valve Adaptation Spring Test Failed (Bank 1)

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

Check engine-management fuses (5-fuse holder in E- Box),

Perform electrical check on wiring to throttle valve sensors and throttle valve motor,

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

Replace component

Fault effect and breakdown warning

Driver information

Warning light:

CC status report: Reduced engine performance!, MIL ON

EMB + rpm limit 1300 rpm