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Home >> GMC >> 1995 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.3L >> Trouble Code Charts >> Code P0703 - TCC Brake Input Circuit "S" & "T" Series 4.3L (VIN W) >> Notes

Code P0703 - TCC Brake Input Circuit "S" & "T" Series 4.3L (VIN W): Notes

TCC brake switch input is used by control module to determine when to energize TCC solenoid.

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. Checks for voltage at brake switch.
  2. Checks brake switch.
  3. Checks TCC brake switch signal at control module.
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