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This is maybe a follow up to my earlier thread about the lockup solenoid. The car drove fine for a few days since doing what basically amounted to a transmission flush and filter check, while having a look at the S-L solenoid while it was out. Unfortunately it didn't last. The lock up solenoid started to act up just a bit, the car went into limp home mode the next day (only once though) and currently it gives 3 codes.
1-4-3 Oil temperature sensor circuit, open circuit
3-1-3 Faulty signal from gear position sensor
in one day, then
One for the S2 solenoid (forgot which) on the next
The gear position sensor one makes sense because the wife said the car would not start, but would a few minutes later. The up arrow didn't flash until the S2 solenoid fault hit.
I'm planning on how to move forward. What should be replaced first? Maybe refresh or replace the PNP switch? In my opinion the transmission itself is suspect because it's always shifted 3 times quickly into/out of 3rd/4th under light acceleration... unless that's controlled by the S2 solenoid and then the computer may be telling the truth with its latest code? Now it's either entering 4th or locking the torque converter with several loud ticks. Other shifts are just fine though. I have plenty of time to figure things out since this car is no longer anyone's daily driver.
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