2012 Ridgeline codes

Morgoroth37B to Mechanic Advice@gearhead.townEnglish · 10 months ago

I’ve got a 2012 Ridgeline. It’s rear wheel drive.

I’ve got a p0420 and a p0 741.

The recommendation I got is to replace all the catalytic converters for the 420. Then replace the transmission for the 741 code.

Those are pretty high ticket items for an 11-year-old vehicle.

Is there any way to narrow down which cat might have a problem?

Would simply replacing the torque converter address the 741 code?

I don’t have a lot of experience with Hondas specifically and these codes.

What diag could I do to confirm that I need to replace all of the cats and the transmission?

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