2007 Lexus ES350 - Harsh shifting and P2716 code

Question

My Lexus is hitting really hard when shifting from first to second gear and sometimes feels like it is slipping under load. The check engine light is on along with the VSC light, and my cheap scanner pulled up a P2716 code. I am worried the transmission is toast because it has over 180k miles on it.

Jordan Lee · Accepted Answer

The issue was indeed the SLT solenoid. I dropped the transmission pan, removed the filter, and replaced the Pressure Control Solenoid 'D' (Part #35290-45010). The solenoid cost about $160 from the dealer. While I was in there, I installed a new filter and refilled with Toyota ATF-WS fluid. After clearing the codes and performing a memory reset with a Techstream tool, the car shifts perfectly smooth again.

shoptech_carlos · Answer

Try measuring the resistance at the transmission wire harness. You want to see between 5.0 and 5.6 ohms for the SLT solenoid; if it's open or shorted, you definitely have a bad solenoid or an internal wire fault.

Dave Kowalski · Answer

P2716 specifically points to the Pressure Control Solenoid 'D' (SLT) circuit. Before you drop the pan, check the wiring harness connector at the transmission for any corrosion or transmission fluid leaking into the pins.

fleet_chief_42 · Answer

On the U660E transmissions, this code can sometimes be a failing ECM rather than the solenoid itself. There was a known issue with the internal solder joints on the engine computer for this generation of Lexus and Toyota vehicles.

2007 Lexus ES350 - Harsh shifting and P2716 code

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