U1286
DTC Troubleshooting: U1286
DTC U1286:
Gauge Control Module Lost Communication With Keyless Access Control Unit
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, ON, and OFF mode.
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Is DTC U1286 indicated?
YES -
Go to the keyless access control unit input test, and do all power, ground, and communication input tests. If the tests prove OK, replace the keyless access control unit.�
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections at keyless access control unit connector B (32P) and the related units.�