2007 Lexus GS350 Questions

Get answers to questions about your 2007 Lexus GS350 at RepairPal. Find solutions, diagnose problems and get back on the road.

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The light came on after I had been driving the car for about 50 miles

After resetting code it comes back in 40 . I know the shift solenoid is in the transmission pan located at the valve body is only one clip two electrical plugs the part is $200 and I want to make sure that I get the right part.

I changed my headlights in January, unplugged the battery in order to do it myself. After reconnecting, had to reset the seat memorys, power windows, that normal stuff. But since then, sometimes the thermostat above the navigation reads the wrong temperature, or will read in Celsius while the thermostat near the odometer reads the correct temp. Also, the A/C won't blow heat, will not blow hard, and no matter what directional setting, will only blow out of windshield defroster and a little out of the middle vents. Air works and but for the first 30 seconds to 1 minute that the car is on, it won't allow me to turn on the A/C. The windshield defrost button will just blink. Also, if I have the A/C running and turn the car off, when I turn it back on, the A/C is back off. Toyota told me I need a new thermostat and coolant flush but my old Mazda dealership I worked at that new very little about Lexus said it sounds like Toyota just wanted my money and it doesn't seem like the problem is the thermostat.

Error message read "Shift solenoid C performance or stuck off"

Here is Video of whats going on. The rpms drop from the corresponding rpm to speed when the vehicle slows down rapidly 10 mph or more. The rpms basically go down to 500 rpm and bounce up to the corresponding speed. This car is new to me

so I cant listen to anything through my stereo unless I switch the headlights off

Valet switch already checked. Not the problem.

wont take address for directions

When the default indicator is active, the vehicle looses power, won't accelerate, and looses traction when I turn a curve.

Just had 60k checkup although only had 55k miles on it. Nothing found. Now at 59k, found I need new catalytic converter, y pipe, and there is no after market parts yet. Was told by Lexus dealer warranty ran out at 50k. Looking at $3500.00 in costs? Any remedy with dealer or Lexus? Also had 05 GS, with 130k miles on it, and exhaust system never went out. Thanks. Tim Walker

car runs perfectly no other problems.