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Home >> Cadillac >> 1998 >> Seville STS >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P0325 - Knock Sensor Module Circuit >> Diagnostic Procedures
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Diagnostic Procedures

  1. Perform POWERTRAIN ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK , then go to next step.
  2. Turn ignition off. Remove Knock Sensor (KS) module from PCM. Install a known-good KS module. Using FAILURE REC. snapshot data from scan tool, duplicate conditions when DTC originally set. Using scan tool, select DTC INFO then FAIL THIS IGN. function. If DTC P0325 resets, go to next step. If DTC P0325 does not reset, go to step 4).
  3. Replace PCM. Program replacement PCM using required equipment.
  4. Replace KS module.
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