https://www.seattletimes.com/business/boeing-aerospace/boeing-to-warn-737-max-operators-of-a-potential-instrument-failure-that-could-cause-the-jet-to-nose-dive/
...Pilots are typically trained on how to handle a “runaway trim” situation, said the person briefed on the Boeing bulletin, but that’s with everything else working as it should. In this case, the control column shaking, the stall warning, and the air speed indicator disagreement all combine to create confusion and keep the pilots very busy.
Boeing instructs pilots in the bulletin that if this failure arises, “higher control forces may be needed to overcome any nose-down stabilizer trim.” The instructions go on to say that after stabilization, the automatic trim system on the horizontal tail should be switched off and any trim performed manually...