Toyota Repair Problems? Ask a Mechanic for Answers ASAP
Hi, I'm Ron and I will be helping you today.Stand by for a moment while I prepare your answer.
You're experiencing the first signs of a failing cluster.
You can do some bidirectional tests on it with a scan tool, but you most likely will need to replace the cluster and also have it flashed.
It is NOT a plug and play device, it is one of the on board computers too.