General Motors Powertrain

134-BP

UnclassifiedLubrication

What This Code Means

DST displays MAP pressure of 16 psia or greater; Abnormally high barometric pressure reading (≥16 psia) at Key-On

Possible Causes

  • •Faulty MAP sensor
  • •Intermittent problem

Suggested Actions

  1. 1Check MAP pressure reading on Diagnostic Scan Tool (DST) at Key-On
  2. 2Replace with known good MAP sensor and retest

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