DTC Troubleshooting: U1281(Relay Control Module)
DTC U1281 : Relay Control Module Lost Communication With MICU (MICU Frame)
| DTC Description | DTC |
|---|---|
| U1281 Relay Control Module Lost Communication With MICU (MICU Frame) |
DTC (Relay Control Module)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .
- Problem verification
-1. Clear the DTCs with the HDS.
-2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
-3. Wait for at least 6 seconds.
-4. Check for DTCs with the HDS.
DTC Description DTC U1281 Relay Control Module Lost Communication With MICU (MICU Frame) Is DTC U1281 indicated?
YES
Go to MICU DTC U1280 troubleshooting .
NO
Intermittent failure, the system is OK at this time. Check for loose or poor connections.