OBD2 port - no comms

I honestly have no idea. If I’d had the truck serviced for years off and on, I could understand a bit of wear. The truck is practically brand new and has only been serviced at the dealer once. I hadn’t once put a scan tool on it (didn’t even own one) until the situation that prompted the OP.

I'm pretty proficient working with wiring and I saw a similar thread to mine here at TW and @ktbell444 showed a few photos of the connector pulled apart. Doesn’t even look to require a depinning tool, but that could help keep things orderly while I’m splicing new wire in. I suppose I could also label each wire with its PIN number.

 

Thanks for this @caribe makaira - do you know if this comes with the connectors wired? Or is it just the parts?

I also found this option for a bit more money, but comes wired:

https://findpigtails.com/connector/toyota/tacoma/2019/obdii/

 

Karl @ktbell444 is the expert! He made my bench flash harness. He does professional work. He is the man for advice on this.
I would PM him, he may be able to repair it with pics to show where it is "messed up". It may just be one or two pins that need to be fixed.

 

These is the info that you seek:

 

The only reason I'd be hesitant with the connector that's already pinned up is I've received a few messages from people using aftermarket pins and they seem to loosen over time the more the connector is used. I use OEM pins each time I have built a connector because of that. The price will be a bit higher, but worth the added insurance. OEM pins come in 200mm lengths I believe.

Plus, you won't have to lie on your back on the floorboard of the truck and solder more pins than necessary.

 

I’m willing to wire it up using the OEM connectors. Not totally sure how I’ll diagnose which are damaged but if it’s not obvious by looking at it, I could always test the pins individually on my scan tool to see if they are loose. Any tips on sourcing the OEM parts?

 

Here's what I've used in the past:
82998-05010

Regarding which may be damaged and assuming a visual inspection doesn't show anything obvious, the female OBD pins should be a tight fit when inserting the male pin into it.

For a flash through VF, you should only need the following pins:

• 4 - Chassis ground
• 5 - Signal ground
• 6 - CAN High
• 14 - CAN Low
• 16 - Battery

But I'd go ahead and check all while you're at it.