Follow us on Twitter and win Autohex II Scan Tool for Kia and Hyundai (worth 945.00 USD)
C1704 ECU Fail-Safe Relay Fault
AutoHex Online Help: Hyundai TUCSON/ix35(LM/EL) 2012
Component Location
General Description
EPS CM has a relay to cut off current to a motor if abnormal operation is detected.
EPS CM checks a condition of relay while ig ON.
DTC Description
EPS CM sets this code and turns on warning lamp if a relay can't be on state when it receives a commend to turn it on.
DTC Detecting Condition
Item | Detecting Condition | Possible cause |
DTC Strategy | Check relay state
| Faulty fail safe relay
|
Enable conditions | IG ON
|
Threshold value | Relay isn't operated
|
Fail Safe | Waring lamp ON, EPS control is inhibited
|