P0545 is set when the exhaust gas sensor (EGTS) T3 value is less than 115℃ for 3 sec. This DTC is due to a signal circuit is open, short to battery or ground circuit is open or the EGTS T3 is faulty.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. EGTS signal circuit short to battery or open 2. EGTS ground circuit open 3. Faulty EGTS T3 | |
Enable Conditions |
•
2,000 ~ 5,000RPM
•
Fuel quantity 12.5 ~70
•
Vehicle speed is greater than 70 kph
•
ECT is greater than 15℃
•
Items above for 15sec | ||
Threshold Value |
•
EGTS signal is less than 115℃. | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
NO | ||
