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Code 97, VSS Output Circuit: Notes

WARNING: This page is about a different car, the 1994 Chevrolet Caprice and 1994 Buick Roadmaster. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Test numbers refer to numbers on diagnostic chart.
  1. Disable Traction Control (TC) system (if equipped) prior to this step. Switch is located in glove box. Whenever ignition is cycled off and then on, TC system will default to on. If vehicle speed is indicated at this point, code is intermittent.
  2. Use Jumper Harness (J 35616-A) to prevent damage to harness.
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