Keyless Access Control Unit

DTC Troubleshooting: U1282

DTC U1282:

Keyless Access Control Unit Lost Communication With Driver's MICU

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

1. Clear the DTCs with the HDS.

2. Press the engine start/stop button to select the OFF, ACC, and ON mode.

3. Wait for 6 seconds or more.

4. Check for DTCs with the HDS.

Is DTC U1282 indicated?

YES -

Go to the driver's MICU input test, and do all power, ground, and communication input tests. If the tests prove OK, replace the driver's under-dash fuse/relay box Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal and Installation. If the DTC is still present, replace the keyless access control unit.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections between the keyless access control unit and the driver's MICU.