ECM sets U1111 when error bit in LIN messages from battery sensor indicates "1".
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Signal Monitoring | 1. Poor Connector Connection 2. Faulty LIN communication circuit of battery sensor 3. Faulty battery sensor |
EnableCondition |
•
2 sec. after engine start
•
Ignition voltage higher than or equal to 11V | |
Threshold Value |
•
Battery Sensor Error | |
Diagnostic Time |
•
Continuous | |
MIL ON Condition |
•
- |