Any updates on compatibility with the 2020's? I'm very interested in adding MTS to mine. How is MTS selected? With my 2019 4Runner I had a dial that I used once I was in 4WD. How are the different modes selected with the GX without the dial?
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Unfortunately ...for '20 I haven't heard from anyone willing to look into TIS wiring diagrams or donate a temp TIS subscription to me. I'd be willing to go in and look for the '20 owners. No public/free wiring diagrams are currently available. It may take 6-8 more months before general data starts to show up.
MTS is enabled with right steering wheel button on 10-19 models.
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Just speculation... at this point not seeing where else the MTS logic would come from. Hopefully not buried in the BCM. Let me see if I can find out more on Crawl and MTS diagnostics in 2020 FSM and see if it all leads back to Skid Control ECU. ZPC is the same as 10-19 except wire method via OBD isn't mentioned.
EDIT: Crawl Control Troubleshooting only deals with Brake Ecu and Combo Switch (then harness repair or meter repair)
MTS troubleshooting is all CAN system
DAC Check CAN, then check combo switch, Then brake ecu master.
If that order is anything like mine, it hasn't shipped yet....I placed an order Dec 28, one item shipped January 28, the other 3 are still not packaged.Sentinel: Any tracking updates on switch yet?
22eyunu35vo messaged me and got in touch with Matt at oem. Had a response from Matt and oem within days and the tracking # as well.the switches seem to be the hard parts to get and take longer. Even had a follow up email from Matt to make sure I got the switch. Got it installed last night. Will be doing the zpc today and hoping all will be working by this afternoon.If that order is anything like mine, it hasn't shipped yet....I placed an order Dec 28, one item shipped January 28, the other 3 are still not packaged.