When ECM detects short to power in the heater control circuit, ECM sets DTC P0038.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Heater check high | 1. Poor connection 2. Short to power in control circuit 3. S2 |
Enable Conditions |
•
Engine speed >240 | |
Threshold Value |
•
Short to battery | |
Diagnostic Time |
•
Continuous | |
MIL ON Condition |
•
3 driving cycle |
※ S1 : upstream oxygen sensor / S2 : downstream oxygen sensor
