Code 31, PRNDL Error: Notes

1995 Chevrolet Cavalier LS, 2D Convertible, 2.2 4, StandardSECTION 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.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • Brakes feel soft, pull hard to one side, or make grinding noises.
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