P2138

2D1B - P2138

Information saved in
DME

Fault code
2D1B - P2138

Fault text
Accelerator pedal module, pedal-position sensor, signal 1

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

Condition for fault identification
Test condition:
Implausible relationship between voltages for pedal-position
sensors 1 and 2
Terminal condition: Terminal 15=TRUE
Voltage condition:
battery voltage>7 V

Condition for fault memory entry
0.2 sec

Action in service
Check whether ADC test data in test data block upwg1_w
=2* upwg2_w. Maximum approved difference is 0.47 V.
Check wiring harness, test data, replace accelerator pedal,
test data, replace DME

Fault effect and breakdown warning


Driver information
Warning light:
EPCL

Service instruction
none