P2176 CADILLAC Minimum Throttle Position Not Learned

Possible causes

– 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
– Throttle plate sticking due to carbon build-up
– Engine Control Module

When is the obd code mean?

The P2176 code is set whe the difference between the predicted and the actual throttle position is more than a calibrated amount for more than 1.5 seconds.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)
– No throttle pedal response

P2176 CADILLAC OBD Code Description