Reduced Power Mode - - Corvette Z06 Forum
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post #1 of 2 (permalink) Old 01-01-2017, 06:21 PM Thread Starter
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Reduced Power Mode


Need some help here I have a 2007 Z06 which keeps going into reduced power seemingly at random times. It has had the throttle body replaced twice, once years ago by a dealer and most recently by me. It has a new battery and I keep it on a trickle charger at all times, car is stock.

Most recently I stepped on the gas moderately and the tires spun a bit, which forced it into reduced power mode. I have not been able to find a common thread amongst all its episodes. I end up limping it to a parking lot shutting it down, locking it and starting it back up no problem. The check engine light will remain on for about 2-7 subsequent starts.

I had the codes read at a auto zone and got a P0606 and a P2101.

I am thinking about replacing the computer next.

Any help would be greatly appreciated.
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post #2 of 2 (permalink) Old 01-01-2017, 07:15 PM
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Re: Reduced Power Mode

Check for the 606 DTC

- Check both fuses for ECM as not shorted out
- Engine Control Module (ECM) Harness power supply circuit is open or shorted
- Engine Control Module (ECM) Programming
- Faulty Engine Control Module (ECM)
- If ECM was tuned, tune bad or corrupted when flashed, reflash again

Check for 2101 DTC

- Check for any unmetered air leaks
- Faulty Throttle Actuator Control (TAC) module
- Throttle Actuator Control (TAC) module harness is open or shorted
- Throttle Actuator Control (TAC) module circuit poor electrical connection

Mike M - 2001 / 2008 Z06s
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