Republican senators are scrambling to squash President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's floated tariffs on imported vehicles amid a growing fight between Congress and the White House on trade.

Several GOP senators — including Sen. Orrin Hatch Orrin Grant HatchBottom line Bottom line Senate GOP divided over whether they'd fill Supreme Court vacancy MORE (Utah), the chairman of the Finance Committee — warned on Thursday that the administration's proposed plan would backfire by negatively impacting American families.

Hatch, in a statement, called Trump's decision to investigate potential tariffs "deeply misguided."

"Instead of taking from the pocketbooks of hardworking Americans, I urge the administration to remain focused on addressing China’s trade practices and to work constructively with our trading partners," he said.

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GOP Sen. Pat Toomey Patrick (Pat) Joseph ToomeyAppeals court rules NSA's bulk phone data collection illegal Dunford withdraws from consideration to chair coronavirus oversight panel GOP senators push for quick, partial reopening of economy MORE (Pa.), a consistent Trump ally, added that the tariffs are a "bad idea" and that "doing it under the false pretense of national security--Section 232--is an even worse idea, as it invites retaliation and weakens our credibility on actual trade disputes."

The backlash from congressional Republicans comes after Trump, on Wednesday, asked the Commerce Department to investigate whether he could levy upward of 25 percent tariffs on imported automobiles under Section 232 of trade law.

Section 232 investigations are used to determine the impact of imports on national security.

Trump, who has repeatedly broken with his party on trade issues, found himself facing immediate backlash from high-profile members of his party earlier this year after he announced that he would place tariffs on steel and aluminum imports.

Commerce Secretary Wilbur Ross Wilbur Louis RossTrump admin asks Supreme Court to fast-track excluding people in U.S. illegally from census Trump 'very happy' to allow TikTok to operate in US if security concerns resolved TikTok, WeChat to be banned Sunday from US app stores MORE touted the benefits of the steel and aluminum tariffs on Thursday, arguing that new auto tariffs could boost U.S. industries similarly.

“So that was a very good activity [steel and aluminum tariffs] for us and we are looking forward to researching whether cars should be handled in a similar fashion,” Ross said on CNBC’s “Squawk Box.”

Republican senators, however, are rushing to make it clear that they don't believe auto tariffs would be a "very good activity."

“I am very concerned about the president abusing the authorities granted to him in Section 232 of the Trade Expansion Act of 1962," he added. "This is a dangerous course and should be abandoned immediately.”

The meeting, according to GOP senators, was a chance for the administration to outline its thinking on the issue.

But GOP senators signaled after the closed-door meeting — which started in GOP Sen. John Cornyn John CornynThe Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Liberal super PAC launches ads targeting vulnerable GOP senators over SCOTUS fight Senate GOP faces pivotal moment on pick for Supreme Court MORE's (Texas) office before transferring to a secure room in the basement — that legislative action was still on the table.

"I think they would prefer us not to act on it, but I think Congress is going to do what it needs to do," Rubio said.



Cornyn added that a bill that includes language restricting the the ability of the Commerce Department to lift penalties against ZTE if they aren't following the law will be in the National Defense Authorization Act (NDAA), an annual policy bill.



"It's been adopted in the NDAA and it will remain as part of the base bill," he said. "I expect it to be part of the NDAA."

Trump said on Tuesday that he has not reached a deal with Beijing to help save ZTE, but added that he may ask for a fine of roughly $1.3 billion, new management for the telecom giant and for China to buy more American products.

Vicki Needham contributed reporting.