2003, 1500, 4x4, 4.7L California, has 3 cats, & 4 o2 sensors.

I was getting codes 421 & 431 & 032. I replaced the cats & the 421-431 went away but I still had the 032 so I replaced the drivers side o2 sensor & now I have a code 132.
I think it is in the wiring now, but I don't know for certain which side is "Bank 1"
I had assumed the #1 bank was the drivers side, but looking online I get some people saying it is the driver side & others saying it is the pass side. The Haynes manual on this truck is only good for TP, it doesent have squat for schematics & little to nothing specific to my truck.

Does anyone here know for certain which side is the 132 code?

 

Upstream driver side.

 

https://dodgeforum.com/forum/1st-gen-durango/247016-o2s-code-po132-won-t-go-away.html

Check that thread out, and good luck!

 

It was not in fact a short to + as the code suggested. One pin in the connector had pushed back part way out of the shell on the truck side enough so that it wasn't making a connection to the sensor, I noticed it when I unplugged the sensor.
It was on the drivers side.

 

the blades on those connectors are crucial to have good contact across the entire surface.. you're lucky it tripped a code so you could find it.. often times folks drive along without ever knowing, but get silly trims because of that little factor..

injector blades are the only other place that I know of that is just as important to have solid connection across the entire surface of the connector blades..

I'm glad you caught it.. good job!