P2101 PONTIAC Throttle Actuator Position Performance

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

When is the obd code mean?

The Engine Control Module (ECM) has detected an out of range condition between the predicted and actual throttle position.

Symptoms

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

P2101 PONTIAC OBD Code Description