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Home >> Volvo >> 2000 >> S70 T-5, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Turbo >> Diagnostic Tests >> P1637, P1638/ECM-715D: Temperature Sensor Control Module >> Fault Conditions
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Fault Conditions

ECM-715D is stored if temperature in control module exceeds 167°F (75°C).

Engine cooling fan runs only at low speed while ECM-715D is set.