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Home >> Cadillac >> 2001 >> Catera >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 3.0L >> Diagnostic Tests >> DTC P1602: Knock Sensor Module Performance >> Code Enable Criteria

Code Enable Criteria

Engine Coolant Temperature (ECT) is more than 104°F (40°C).

DTC sets when ECM detects a fault in the internal knock sensor module.

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