DTC Troubleshooting: U1281 (Gauge Control Module)

DTC U1281  : Lost communication with MICU (MICU frame)

NOTE: 

• Refer to the DTC code shown on the display, and then inspect the connectors and terminals based on the instructions in the chart below.
• The DTC may be stored due to the grounding failure or the power source failure at the transmitting control unit (the grounding inspection and the power source inspection on each control unit are required prior to this checking process).

DTC (Gauge Control Module)

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .

1. 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 Lost communication with MICU (MICU frame)

   Are any DTCs indicated?

   YES 

   Go to MICU DTC U1280 troubleshooting .

   NO 

   Intermittent failure, the system is OK at this time.