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Incompatible Can Bus

Discussion in '2nd Gen Tundras (2007-2013)' started by jimmy533, Jun 2, 2023.

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Jun 2, 2023 at 10:06 AM

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jimmy533 [OP] New Member

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2008 Toyota Tundra Limited

After Market radio head unit w/ air conditioner control

I have a 2008 Toyota tundra 4X4 with a 5.7l engine. I have replaced the head radio with an after market head radio with a can bus controller. The air conditioning system does not recognize the controller. Can anyone help me?

jimmy533, Jun 2, 2023

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Jun 4, 2023 at 6:40 AM

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Jeff_5_7 New Member

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Jeff

Houston Tx Area

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2007 RCSB 2014+ TRD Pro Conversion 5.7 4x4

Full 2014+ Conversion Regular Cab Short Bed 4X4 2019 TRD Pro Grill, 2014+ Front End Swap 2014+ Interior/Dash Swap with TRD Pro Leather Seats, 2014+ Bed Swap with TRD Pro Stamping SOS 2/4 Drop Kit

I assume you mean a headunit that also controls the AC? Did you hook it up to the correct data line?

The ac system is not on CAN but LIN or a single wire serial communication protocol. I can’t remember which. The control panel on the dash sends signals to the AC amp which then controls vents, temp ect.

Jeff_5_7, Jun 4, 2023

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