Question

I have a 2004 Cadillac CTS 3.6L with engine codes P2176, P0122, and P0223, what do the codes mean?

Answer 1

Hi there,

P2176 indicates an issue with the throttle actuator control module. Here is some info for you.

P2176 CADILLAC - Minimum Throttle Position Not Learned
Read more: https://www.autocodes.com/p2176_cadillac.html

P0122 indicates an issue with the throttle position sensor. Here is some info for you.

P0122 CADILLAC - Throttle Position Sensor 1 Circuit Low Voltage
Read more: https://www.autocodes.com/p0122_cadillac.html

P0223 indicates an issue with the throttle body assembly. Here is some info for you.

P0223 CADILLAC - Throttle Position Sensor 2 Circuit High Voltage
Read more: https://www.autocodes.com/p0223_cadillac.html