P2239 is set when 1) short to battery in signal line(terminal4), ground line(terminal3), power line(terminal1), pumping current line(terminal6) or 2) short to ground is detected. This code is due to the problem of Lambda sensor circuit.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage Monitoring |
•
Lambda sensor circuit
•
Lambda sensor component | ||
Enable Conditions |
•
Engine running | |||
Threshold Value |
•
Short to battery in Lambda sensor circuit
•
Open in Lambda sensor circuit | |||
Diagnostic Time |
•
2.0 sec. | |||
Fail Safe | Fuel Cut | NO | ||
EGR Off | NO | |||
Fuel Limit | NO | |||
Check Lamp | NO | |||
