![]() Both processors monitor each other's data to verify that the indicated throttle position is correct. Both processors are located within the ECM. Two processors are also used to monitor the TAC system data. The TAC system uses the following circuits for Motor control 1 and Motor control 2. ![]() P1682 is a diagnostic trouble code that indicates that your Cadillac DTSs ignition switch is. The ECM achieves throttle positioning by providing a pulse width modulated voltage to the TAC motor. Search: Chevy Cobalt Camshaft Position Sensor Problems. The ECM determines the drivers intent and then calculates the appropriate throttle response. The Engine Control Module (ECM) is the control center for the Throttle Actuator Control (TAC) system. This is a tricky system to diagnose on a GM. It opens the throttle based on the two PPS sensor located on the gas pedal. Since this is a drive by wire setup the throttle body uses two TPS sensors to determine the throttle plate position. Throttle Actuator Control (TAC) module harness is open or shorted. Faulty Throttle Actuator Control (TAC) module. Scanned obd2 with codes p1516, p2101 and p2176. Throttle plate sticking due to carbon build-up 5,332 Answers The throttle position sensor is the throttle body. The P2176 code is set when the difference between the predicted and the actual throttle position is more than a calibrated amount for more than 1.5 seconds. 2006 Chevrolet HHR engine problems with 90 complaints from HHR owners. No brake lights, reverse light, or turning signal. Ecotch 4 cylnder, Engine code engine poor reduced performance code P2176. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. If you dont have acess to a OBD-II scanner to check your 'check engine light' most of your local auto parts will scan your system for FREE. Throttle Actuator Control (TAC) module circuit poor electrical connection Open Questions: 0 answers how to replace spring on Clutch pedal on 2008 Cobalt G5 Be the first to answer 2008 Chevrolet Cobalt 0 answers I have a 2008 chevy cobalt lt. The 2006 Chevrolet Cobalt has 8 problems reported for check engine light is on. P2135 is a diagnostic trouble code (DTC) for 'Throttle/Pedal Position Sensor/Switch A / B Voltage Correlation'. Below is a full list of GM OBD-II Diagnostic Trouble Codes.Throttle Actuator Control (TAC) module harness is open or shorted The P2176 code is set when the difference between the predicted and the actual throttle position is more than a calibrated amount for more than 1.5 seconds.įaulty Throttle Actuator Control (TAC) module ![]()
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