Question

2011 Chevrolet Traverse V6 with engine codes P0121, P0221 and P2176. Will this problem leave you stranded?

Answer 1

P0121 Throttle position sensor 1 performance

P0221 Throttle position sensor 2 performance

P2176 Minimum throttle position not learned

Yes it can leave you stranded, This code condition represenst a low 5 volt reference to the throttle body from the ECM ,P2176 will always appear with a TPS code, this code is to inform you that a throttle relearns is to be performed,

Answer 2

P0121 Chevrolet Code - Throttle Position Sensor 1 Performance
Read more: https://www.autocodes.com/p0121_chevrolet.html

P0221 Chevrolet Code - Throttle Position Sensor 2 Performance
Read more: https://www.autocodes.com/p0221_chevrolet.html

P2176 Chevrolet Code - Minimum Throttle Position Not Learned
Read more: https://www.autocodes.com/p2176_chevrolet.html