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Home >> Chevrolet >> 1995 >> Cavalier Z24, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.2L >> ECM/Pcm Code Charts >> Code 31, PRNDL Error >> Notes
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Code 31, PRNDL Error: Notes

Transmission range switch is mounted on the transaxle assembly. Code will set if PCM recognizes an invalid PRNDL condition, vehicle speed is greater than 5 MPH and conditions have existed for 5 seconds or more.

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. & 2) Checks for proper operation of transmission range switch.
  2. Checks for an open or grounded circuit.
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