2D1F - P2120

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

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2D1F

2D1F - P2120

Information saved in

DME

Fault code

2D1F - P2120

Fault text

Accelerator-pedal module, pedal-position sensor potentiometer, signal

Fault description

Throttle/Pedal Position Sensor/Switch 'D' Circuit

Condition for fault identification

Test condition:

Pedal-position sensor monitor Terminal condition: Terminal 15 ON Voltage condition:

Voltage in onboard electrical system >= 10 V

Condition for fault memory entry

0.02 sec.

Action in service

Read out the two root faults from the control module's fault memory

Process using prescribed test plan,

Check main relay and overall vehicle electrical system voltage supply,

Replace DME

Fault effect and breakdown warning

Driver information

Warning light:

CC status report: Reduced engine power!

EML ON, MIL ON, PW = 0, fast idle when brake pedal is not depressed