![]() ![]() When the driver presses the accelerator pedal, the Accelerator Pedal Position Sensor (APP) sends a signal to the engine's control module (PCM) telling the PCM how much. The electronic throttle control system (ETCS) controls the throttle valve opening. Get a quote and book an appointment online or speak to a service advisor at 1-80. OBD-II Code P2176 is defined as a Throttle Actuator Control System - Idle Position not Learned. YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. This is why it is important to verify the problem before any repairs are done. A key recycle without touching the pedal may fix the problem even though the code is set in memory and the check engine light will be on and would need to be reset. Replacing the ECM as directed by the pinpoint testĪdditional comments for consideration regarding the P2101 codeĬode P2101 can be generated without an error on some vehicles if the accelerator pedal is pressed before turning on the key. Some diagnostic work is needed to determine the correct route toward a proper repair. Repairing the wiring or connection to the TAC assembly Code P0121 has many potential causesand many potential fixes. Replacing the TAC assembly if it fails all pinpoint tests and problem has been verified Scanned obd2 with codes p1516, p2101 and p2176. Replacing the TAC when the problem has not been duplicatedĬode P2101 is an indication that the TAC is not able to open and close the throttle plates and the engine will not accelerate and would not be drivable. 2006 Chevrolet HHR engine problems with 90 complaints from HHR owners. Tests the TAC as per the manufacturer’s specified pinpoint testĬommon mistakes when diagnosing the P2101 code?Ĭlearing ECM memory codes before checking the freeze frame data of the TAC failure so the failure may be duplicatedįailing to clear ECM codes after the P2101 codes are fixed For example, the fix for a P2101 code in Nissan may differ from a P2101 code in Chevy. The exact solution for this code will depend on your vehicle’s specific make and model. Operates the accelerator pedal while monitoring throttle position sensors and TAC operationĬhecks the harness and connection to the TAC visually for problems and connector is on Fixing any OBD-II code can be tricky as there is no universal fix available for any code. Scans codes and documents the code in the ECMĭiagnoses the code as per the manufacturer's pinpoint test to verify the TAC signal How does a mechanic diagnose the P2101 code? Interior Fuse Box Location: 2005-2010 Chevrolet Cobalt LT 2. The idle may be lower or higher than normal. 2006 chevy trailblazer code p1516 wont start Answered in 4 minutes by: Chevy Mechanic. ![]() The engine will not accelerate and no throttle response will happen. The Check Engine Light will be illuminated and the code is set in ECM memory as a fault. Harness or connector has an open circuit or the connector is loose. The TAC motor wires are cross wired causing an open circuit to the ECM. The engine control module (ECM) signal returns from the TAC is an open circuit. P2101 is an OBD-II generic code for the engine control module (ECM) detecting the throttle actuator control (TAC) went out of the range of the circuit causing an open circuit to be detected in the TAC motor. Throttle Actuator Control Motor Circuit Range/Performance What the P2101 code means ![]()
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