If the EPS (MDPS=Motor Driving Power Steering) ECM doesn't get some signals from TCU, it sets C1612.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
TCU1 CAN message monitoring | 1. Poor connection 2. Connector disconnected 3. Open or short in the circuit 4. TCU module |
Enable Conditions |
•
IG KEY " ON" or Engine " ON " | |
Diagnostic Time |
•
500ms | |
Threshold value |
•
It can't get TCU1 message.
•
7.5V < IGN voltage< 16.5V | |
Fail-Safe |
•
Motor : ON
•
Relay : ON
•
EPS Warning lamp : ON |
