2D20 - P2138

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

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2D20

2D20 - P2138

Information saved in

DME

Fault code

2D20 - P2138

Fault text

Accelerator-pedal module, pedal-position sensor, plausibility between signal 1 and signal 2

Fault description

Throttle/Pedal Position Sensor/Switch 'D' / 'E' Voltage Correlation

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

1) Check: Pedal-position sensor voltages [Pot voltage 2 = (Pot voltage1)/2]2)

Check wires from DME to PWG,

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

Replace PWG

Fault effect and breakdown warning

Driver information

Warning light:

CC status report: Reduced engine power!

EML ON restricted PW gradient and PW limit via rpm