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Home >> Cadillac >> 1996 >> Seville STS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P1566 - Cruise Control System Engine Rpm Too High >> Diagnostic Procedures

Diagnostic Procedures

  1. Perform On-Board Diagnostic (OBD) System Check. After performing OBD system check, go to next step.
  2. Verify if DTC was set by wheelspin due to icy, wet or slippery conditions. If road conditions caused DTC to set, go to step 4). If not, go to next step.
  3. Check for mechanical problems, such as transaxle slippage. Repair as necessary. If a mechanical problem is not present, see DIAGNOSTIC AIDS.
  4. Clear DTC. Explain to vehicle operator what caused DTC to set.
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