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Home >> GMC >> 1995 >> Forward Control 7.4 N >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.3L >> Trouble Code Charts >> Code P1810, Transmission Range Switch Assembly Circuit "S" & "T" Series 4.3L (VIN W) >> Notes

Code P1810, Transmission Range Switch Assembly Circuit "S" & "T" Series 4.3L (VIN W): Notes

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. Checks indicated range to actual manual valve position.
  2. Checks for correct voltage from control module to transmission external connector.
  3. Checks for a short to ground or an open in any one of the 3 circuits.
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