This DTC code is set when the ATF temperature output voltage is lower than a value generated by thermistor resistance, in a normal operating range, for approximately 1 second or longer. The TCM regards the ATF temperature as fixed at a value of 80 ℃.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Signal monitoring | 1. Oil temperature sensor 2. PCM/TCM |
Enable Conditions | CASE1
•
Engine speed is above 1500rpm
•
D Range
•
ATF temperature is above -10℃
•
Vehicle speed is above 25kph - After 800seconds passed in this conditon CASE2
•
ATF temperature is above 60℃
•
Coolant temperature is above 73.5℃
•
Coolant temperature drop 34℃
•
After 0.5second passed IG ON CASE3
•
Engine speed is above 400rpm
•
D Range
•
Vehicle speed is above 25kph - After 600seconds passed in this conditon | |
Threshold value | CASE1
•
ATF temperature is below 20℃ CASE2
•
Difference value of IG ON and OFF is below 2℃ CASE3
•
ATF temperature is below -10℃ | |
Detecting Time |
•
1 time | |
Fail safe |
•
Oil temperature fixed at 80℃
•
Teaching / Fuzzy not allowed |
