DTC P1377 BMW

Camshaft Position Sensor Master Camshaft Not Defined

Camshaft Position Sensor Master Camshaft Not Defined

Description

Engine started, battery voltage must be at least 11.5v, after five camshaft revolutions, the DME detected the CMP sensor signal was implausible. Perhaps a defect in the power supply. Reduced power occurs and once the engine is turned off, it is impossible

Cause and Solution

CMP sensor circuit is open or shorted to ground
CMP sensor circuit is shorted to power
CMP sensor ground (return) circuit is open
CMP sensor installation incorrect (Hall-effect type)

Video Guide

Duration: PT4M4S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1377
  • Brand: BMW
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