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P0115 Diagnostic Trouble Code Discussion for January 2004

Engine Coolant Temperature Sensor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0115
Help Request Posted
1996 Volvo 850 GLT 2.4L MIL Lamp on VIN: YV1LW5545T
P0115: ECT Performance Problem. This car came in with a MIL on, code P0115. Freeze frame coolant temp was 59 degrees, put a thermostat in and gave it back. A week later MIL again, same code, freeze frame coolant temp was 54 degrees, put an ECT in and gave it back. Now another week, MIL again...
January 14, 2004