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The P1621 trouble code is a diagnostic trouble code (DTC) that indicates an issue with the Engine Control Module (ECM) or Powertrain Control Module (PCM), specifically relating to the engine immobilization input circuit. This code is often associated with various vehicle models and can manifest due to multiple underlying issues, including communication errors between the …
The P032D trouble code is a generic powertrain code related to the knock sensor system in a vehicle. This code specifically indicates that the Powertrain Control Module (PCM) has detected an abnormally high voltage signal from knock sensor 3 on bank 1 of the engine. Understanding and addressing this code is crucial for maintaining optimal …
The P1409 trouble code is a diagnostic trouble code (DTC) that indicates an issue with the Exhaust Gas Recirculation (EGR) vacuum regulator solenoid circuit. This code is primarily associated with Ford, Lincoln, and Mercury vehicles, although it may appear in other makes as well. The EGR system plays a crucial role in reducing nitrogen oxide …
The P0426 trouble code is a diagnostic code related to the catalytic converter temperature sensor in a vehicle’s emission control system. This code specifically indicates a range or performance issue with the catalyst temperature sensor on Bank 1, which is the side of the engine that includes cylinder number one. When this code appears, it …
The P1637 trouble code is a generic OBD-II code that indicates a fault in the generator control circuit, specifically related to the “L” terminal of the alternator. This code is crucial for vehicle owners and DIY mechanics to understand, as it can lead to significant electrical issues if not addressed promptly. The generator’s ability to …
The P1682 diagnostic trouble code (DTC) is a manufacturer-specific code related to the ignition system, particularly the ignition switch circuit. This code is commonly found in General Motors (GM) vehicles and indicates a discrepancy in voltage between two ignition circuits monitored by the Powertrain Control Module (PCM). P1682 Code Meaning P1682 Code Common Causes Ignition …
The P0083 trouble code is a diagnostic trouble code (DTC) that indicates a problem with the intake valve control solenoid circuit on Bank 2 of an engine. This code specifically signifies that the circuit has detected a high voltage condition, which can lead to various performance issues in the vehicle. Understanding this code is essential …
The P2118 trouble code is a diagnostic trouble code (DTC) that indicates an issue with the throttle actuator control motor’s current range or performance. When this code is triggered, it signifies that the Powertrain Control Module (PCM) has detected that the throttle actuator control system is not functioning within its expected parameters. This can lead …
The P0962 trouble code is a diagnostic trouble code (DTC) that indicates an issue with the pressure control solenoid “A” control circuit in a vehicle’s automatic transmission. Specifically, this code signifies that the Powertrain Control Module (PCM) has detected a low voltage condition in the control circuit of the pressure control solenoid “A”. This solenoid …
The P0073 trouble code is a diagnostic code that indicates an issue with the Ambient Air Temperature (AAT) sensor circuit in a vehicle. This code specifically points to a high input problem, suggesting that the sensor or its circuit is reporting a temperature that is higher than expected or outside the normal operating range. P0073 …
