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Old 09-07-2024, 07:54 AM   #14
lynyrd
 
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Drives: Camaro 2.0 LT 2018
Join Date: Nov 2021
Location: Belgium
Posts: 310
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Quote:
Originally Posted by Gunkk View Post
This is a problem with the shift selector position sensor in the transmission, which blocks starting the car unless it is in either neutral or park.

I use a battery disconnect for storage, and sometimes get this glitch upon reconnection. Here is what I do to reset it:

1. Disconnect battery for a couple minutes, then reconnect. You can try skipping this, but if the below fails, start again here.
2. Turn on the car in SERVICE MODE, by holding down the start button for 5 seconds WITHOUT your foot on the brake.
3. Wait 30 seconds for the car and all the modules to wake up.
4. Clear codes with an OBD2 scan tool (this will remove any remaining MIL flags from the TCU & ECU that may be in memory and preventing the shifter from moving or car from starting).
5. Shift the car to park or neutral.
6. Start the car as normal (foot on brake). If the MIL (CEL) lights up again, clear codes again.

Thanks Gunkk, I did exactly what you said and after deleting the errors, there was one left, I deleted it again, it started.
Thanks again.
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2018 Camaro 2.0 LT Turbo, K&N Typhoon filter, Front Bumper and rear diffuser ZL1/1LE, LED headlights
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