U1112 is set when checksum error during LIN communication, communication frame error, parity bit error and data over flow occurs.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring | 1. Each module communicated by LIN (battery sensor, etc.) 2. ECM | ||
Enable Conditions |
•
IG key "ON" | |||
Threshold value |
•
LIN Communication error
•
LIN Communication Frame structure error
•
LIN Head time Out error
•
LIN Message Over run (too much message transit for a given time)
•
LIN Communication parity error ※ parity bit (odd,even check bit) | |||
Diagnosis Time |
•
1 sec. | |||
Fail Safe | Fuel cut | - |
•
- | |
EGR Off | - | |||
Fuel Limit | - | |||
Check Lamp | OFF | |||
