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Home >> Saturn >> 1995 >> SC2 Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Engine Controls - Tests W/Codes - 4.9L) >> Pcm Code Charts >> Code P027, Open Throttle Position Switch Signal >> Action
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Code P027, Open Throttle Position Switch Signal: Action

WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

PCM turns on MIL and disables EGR.

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. PCM harness connector to ISC jumper is located between generator and cruise control servo.
  2. ISC jumper is a separate harness that connects the ISC to PCM harness.
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