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Home >> BMW >> 2012 >> Alpina B7Lx >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - DTC P14C0 - DTC U1179 (N63 & S63) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC P164C, BMW Hex Code 0x1F3008, BMW Code 2043912: Pedal Position Sensor Potentiometer Supply Channel 1 Electrical >> Monitoring criteria

Monitoring criteria

The fault is recognized when the power-supply voltage at accelerator pedal module sensor 1 varies from 5V by more than 0.21 V.

Potential problem source(s):

-Defect in power-supply voltage to sensor 1 at the accelerator pedal module

-E7X: DME main relay displays lag when switching

-Defective DME