Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
(P0128)
DESCRIPTION
HINT:
This DTC relates to the thermostat.
This DTC is stored when the engine coolant temperature does not reach 75°C (167°F)
despite sufficient engine warm-up time having elapsed.
DTC No.
DTC Detection Condition
...
Internal Control Module EEPROM Error (P062F)
DESCRIPTION
The ECM monitors its internal operation and it stores this DTC when it detects
an internal malfunction.
DTC No.
DTC Detection Condition
Trouble Area
P062F
An ECM internal error (EEPRO ...
Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When the diagnosis system is changed from normal mode to check mode or vice versa,
all DTCs and freeze frame data recorded in normal mode are cleared. Before changing
modes, always check and make a note of DTCs and freeze frame ...