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The P1860 code is a diagnostic trouble code (DTC) that indicates an issue with the torque converter clutch (TCC) pulse width modulation (PWM) solenoid circuit. This code is commonly found in General Motors vehicles, particularly in models equipped with 4L60E or 4L80E transmissions. When this code appears, it suggests that the vehicle’s powertrain control module (PCM) has detected an electrical problem within the TCC PWM
The P0447 trouble code is a generic OBD-II diagnostic code that stands for “Evaporative Emission Control System Vent Valve/Solenoid Circuit Open.” This code indicates that the Powertrain Control Module (PCM) has detected an open circuit or malfunction in the EVAP system’s vent valve or solenoid. The EVAP system is crucial for controlling fuel vapors and preventing them from escaping into the atmosphere, ensuring compliance with
The P2173 trouble code is a diagnostic code that indicates a problem with the throttle actuator control system, specifically detecting high airflow. This code is commonly found in vehicles equipped with electronic throttle control systems and can lead to various drivability issues if left unaddressed. Understanding the P2173 code and its implications is crucial for proper diagnosis and repair. P2173 Code Meaning P2173 Code Common
The P1811 diagnostic trouble code (DTC) is a manufacturer-specific code related to transmission issues in certain General Motors vehicles. This code indicates that the transmission control module (TCM) has detected a problem with shift times and adaptation. When the P1811 code is triggered, it typically means the transmission is experiencing longer than normal shift times or harsh shifting, which can lead to drivability issues and
The P2188 diagnostic trouble code (DTC) indicates a “System Too Rich at Idle” condition in bank 1 of the engine. This code is set when the engine control module (ECM) detects an air-fuel mixture that is excessively rich (too much fuel compared to air) while the engine is idling. Understanding and resolving this issue is crucial for maintaining optimal engine performance and preventing potential damage
The P2271 code is a diagnostic trouble code (DTC) that indicates an issue with the oxygen sensor signal in your vehicle’s emissions control system. Specifically, it means that the powertrain control module (PCM) has detected that the oxygen sensor signal for Bank 1, Sensor 2 is biased or stuck in a rich condition. This code is crucial for maintaining proper engine performance and ensuring your
The P0020 trouble code, also known as “Intake ‘A’ Camshaft Position Actuator Circuit/Open (Bank 2),” is a diagnostic code triggered when the Powertrain Control Module (PCM) detects an issue in the variable valve timing (VVT) system. This system is crucial for optimizing engine performance and efficiency by adjusting the timing of the intake camshaft. When the PCM identifies an open or short circuit in the
The P2402 trouble code is a diagnostic indicator that points to an issue with the Evaporative Emission System (EVAP) Leak Detection Pump Control Circuit. When this code appears, it typically means that the vehicle’s Engine Control Module (ECM) has detected a higher than normal voltage in the circuit controlling the EVAP leak detection pump. This pump plays a crucial role in maintaining the integrity of
The P050A diagnostic trouble code (DTC) is a generic powertrain code related to the engine’s cold start idle control system performance. When this code is triggered, it indicates that the vehicle’s powertrain control module (PCM) has detected an issue with the idle air control (IAC) system during a cold start condition. Understanding and resolving this code is crucial for maintaining optimal engine performance and preventing
The P015D diagnostic trouble code (DTC) is a generic powertrain code that indicates an issue with the oxygen sensor’s response time in your vehicle. Specifically, this code points to a delayed response from lean to rich conditions in Bank 2, Sensor 1. Understanding and addressing this code promptly is crucial for maintaining your vehicle’s performance, fuel efficiency, and emissions control. P015D Code Meaning P015D Code