If EPS(MDPS=Motor Drive Power Steering) ECU does not receive the vehicle's speed signal correctly, then the Error Code C1622 will be generated.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Check signal | 1. Faulty ESC/ESP |
Enable Conditions |
•
Ignition "ON" | |
Diagnostic Time |
•
1 sec | |
Threshold Value |
•
Vehicle speed signal is INVALID (1 sec) (9V < IGN Voltage < 16V) | |
Fail Safe |
•
EPS warning lamp "ON" | |
Restoration Conditions |
•
EPS ECU receives signal from other ECU |
