TCU receives shift lever position signal When driver sets shift lever at the R position for backward driving. TCU transfers it to cluster by high CAN communication. Cluster transfers it to RAM by low CAN communication. RAM turns on back up lamp.
This code is set when back up lamp and backwarning system circuit is shortted to ground for more than 150ms during back up lamp and backwarning system operating.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Load Mornitoring |
•
Poor connection
•
Short to ground in back up lamp and backwarning system circuit
•
Faulty back up lamp and backwarning system
•
Faulty FAM |
Enable Conditions |
•
IG KEY ON. | |
Threshold Value |
•
It is abnormal if output voltage is 0V. | |
Diagnostic Time |
•
Immediately | |
DTC Erasing Time |
•
DTC is erased immediately after trouble fixed. |
