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The P2649 trouble code is a diagnostic trouble code (DTC) that indicates a problem with the ‘A’ rocker arm actuator control circuit on Bank 1 of an engine. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various components of a vehicle’s powertrain. When the Engine Control Module (ECM) detects that the voltage in the rocker arm actuator circuit is too

The P2294 trouble code is a diagnostic trouble code (DTC) that indicates a problem with the fuel pressure regulator control circuit. Specifically, it refers to an “open” circuit in the Fuel Pressure Regulator 2 control system. When the powertrain control module (PCM) detects that the expected voltage or signal from the fuel pressure regulator is missing, it sets this code. This can lead to various

The P0394 trouble code is a diagnostic trouble code (DTC) that signifies a malfunction in the camshaft position sensor circuit, specifically for Bank 2. This code indicates an intermittent electrical fault in the Camshaft Position Sensor ‘B’ circuit, which can significantly affect engine performance. The camshaft position sensor plays a vital role in monitoring the position of the camshaft, allowing the Engine Control Module (ECM)

The P1602 trouble code is a diagnostic trouble code (DTC) that indicates an “Immobilizer/ECM Communication Error.” This code signifies a communication failure between the Engine Control Module (ECM) and the immobilizer system, which is designed to prevent unauthorized starting of the vehicle. When this error occurs, it can lead to various symptoms, including difficulty starting the engine or complete engine failure. Understanding this code is

The P0604 trouble code indicates an Internal Control Module Random Access Memory (RAM) Error. This diagnostic trouble code (DTC) is logged when the Powertrain Control Module (PCM) detects an issue with its internal RAM, which is crucial for storing and retrieving data necessary for engine management. The P0604 code is applicable to all OBD-II equipped vehicles and signifies a serious malfunction that can severely impact

The P0145 trouble code indicates a problem with the oxygen sensor circuit, specifically a slow response from Bank 1 Sensor 3. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various components of the vehicle’s engine and emissions systems. When the Powertrain Control Module (PCM) detects that the downstream oxygen sensor (located after the catalytic converter) is not responding quickly enough,

The P1751 trouble code is a diagnostic trouble code (DTC) that indicates a problem within the vehicle’s transmission system, specifically related to the shift solenoid. This code can manifest in various vehicle makes and models, often leading to issues with shifting, performance, and overall drivability. Understanding the implications of this code, its causes, symptoms, and solutions is essential for vehicle owners and DIY mechanics. P1751

The P1028 trouble code is a diagnostic trouble code (DTC) that indicates a problem within the vehicle’s engine management system, specifically related to fuel and air metering. This code is typically triggered when the engine control module (ECM) detects an issue with the ambient air temperature sensor circuit or other related components, leading to improper fuel delivery and air intake. As a result, vehicle performance

The P1722 trouble code is a diagnostic trouble code (DTC) that indicates a malfunction within the vehicle’s automatic transmission system, specifically related to the Stepper Motor Control (SSC) Inductive Signature. This code can affect various vehicle makes and models, often leading to issues with shifting, acceleration, or overall transmission performance. Understanding this code is essential for vehicle owners and DIY mechanics, as it can help

The P1347 trouble code is a diagnostic trouble code (DTC) that indicates a misfire in cylinder 3, which leads to fuel cut-off. This code is part of the OBD-II system, which monitors various engine parameters to ensure optimal performance and emissions control. When the Engine Control Module (ECM) detects an issue with the combustion process in cylinder 3, it triggers the P1347 code, illuminating the