DTC P0128 Daewoo
Thermostat System Malfunction
Thermostat System Malfunction
Description
DTC P0106-P0108, P0112, P0113, P0117-P0118, P0121-P0123, P0201-P0204, P0351, P0352, P0502 and P1627 not set, ECT sensor at startup under 91ºF, IAT sensor over 50ºF with calculated airflow from 4900-10,500 grams and the PCM detected that it took from 380-9
Cause and Solution
Check the operation of the thermostat (it may be stuck open)
ECT sensor is out-of-calibration or skewed
Video Guide
Diagnostic Info
- DTC Code: P0128
- Brand: Daewoo