DTC P0100 Cadillac

MAF Sensor Circuit Insufficient Activity

MAF Sensor Circuit Insufficient Activity

Description

DTC P0101, P0102 and P0103 not set, engine speed over 500 rpm, system voltage over 11v, and the PCM detected the MAF sensor was less than a preset minimum voltage amount for 1 second. The PCM uses Speed Density fuel calculation when this code sets.

Cause and Solution

MAF sensor signal circuit is open or shorted to ground
MAF sensor power circuit is open
MAF sensor is damaged (it may have dirt on it) or has failed

Video Guide

Duration: PT3M59S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0100
  • Brand: Cadillac
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