screwed up and got wax on the black pastic..now what?
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Thanks. I saw that also, but wondered if Rockauto just was not selling the factory trans cooler. So, I have looked at a bunch of suburban radiator installations one YouTube and none mention an external factory trans cooler. Evidently the max towing package cools both engine oil and trans fluid through a HD radiator. -
I’d be careful about treating any AFM/DFM disabler as a lifter-failure guarantee. It can change cylinder-deactivation behavior, but it is not a mechanical repair and it does not remove the collapsible lifters from the engine. The other big thing is year/platform. A 2021 truck, a 2023 truck, and a 2025 truck should not automatically be grouped together for plug-in fitment. Exact year, engine, transmission, and refresh status matter. -
Wire Pinout and Colors Pin A: Brown/White - 5V Reference Signal Pin B: Black/White - Sensor Ground Pin C: Dark Blue - EGR Position Signal Pin D: Pink/Black - 12V Ignition Power Pin E: White (or varies) - Ground Control for EGR Solenoid [1, 2] Understanding the Wires 5V Reference: A low-power current sent by the Powertrain Control Module (PCM - the car's computer) to the EGR. Position Signal: Tells the PCM exactly how far open or closed the valve is. Ground Control: The PCM completes the circuit to actually open and close the EGR valve using this wire. [1, 2, 3, 4] This is what AI is telling me, in absence of access to a complete service manual for the truck. So there are two grounds and I think I determined one of them is bad. I need to run through the test sequence again to validate what I think might be a bad ground. I'll be honest, electrical isn't my strong suit, but I'm learning. -
That remote-start behavior is worth separating from the AFM/DFM side. A lot of plug-in modules depend on when the vehicle wakes up the OBD-II network and when the module initializes. Remote start can change that timing compared with a normal key/button start. I would not treat unplug/replug every time as normal daily use, though. If the main goal is Auto Start/Stop only, the dash button may be less annoying. If the goal is AFM/DFM behavior, then fitment and startup behavior matter a lot.
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As seen recently on the Leno podcast that’s the purpose of the Slate truck. The ease of customizing. As entry level as possible. It does come with AC.
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