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The P1064 trouble code is a manufacturer-specific diagnostic code that typically indicates an issue with the Cylinder 4 Oil Supply Solenoid Valve. This code is commonly found in certain Chrysler, Fiat, and Jeep vehicles equipped with MultiAir engine technology. When the Powertrain Control Module (PCM) detects that the Cylinder 4 Oil Supply Solenoid Valve is …
The P1442 trouble code is a diagnostic trouble code (DTC) that indicates a malfunction in the secondary air injection system, specifically that the secondary air injection system switching valve is stuck closed on bank 1. This issue is typically found in Toyota and Lexus vehicles but can also appear in various European models. The secondary …
The P1281 trouble code indicates that the engine is not reaching its optimal operating temperature within a specified time frame. Specifically, it means that the engine coolant temperature remains below normal operating temperatures during vehicle travel. This issue is typically associated with the engine coolant temperature (ECT) sensor or the thermostat. Understanding this code is …
The P0054 trouble code is a diagnostic trouble code (DTC) that indicates an issue with the Heated Oxygen Sensor (HO2S) heater resistance in Bank 1, Sensor 2. This code is part of the OBD-II system, which monitors various components of the vehicle’s engine and emissions systems. The HO2S plays a crucial role in measuring the …
The P2099 trouble code is a diagnostic trouble code (DTC) that indicates a problem with the fuel trim system, specifically that the post-catalytic converter fuel trim is too rich on Bank 2 of the engine. This code is part of the OBD-II system, which monitors various components of the vehicle’s engine and emissions systems. When …
The P008C diagnostic trouble code (DTC) is related to the fuel cooler pump control circuit in diesel engines. When this code appears, it indicates that the engine control module (ECM) has detected an open circuit in the fuel cooler pump control system. This issue can lead to various problems with fuel temperature regulation and engine …
The P0148 trouble code is a diagnostic trouble code (DTC) that indicates a “Fuel Delivery Error.” This code is logged by the Engine Control Module (ECM) or Powertrain Control Module (PCM) when it detects that the actual fuel pressure in the system does not match the desired fuel pressure. This discrepancy can significantly impact engine …
The P0072 trouble code is a diagnostic trouble code (DTC) that indicates an issue with the Ambient Air Temperature Sensor Circuit, specifically a low input signal. This code is part of the OBD-II system and is crucial for the engine control module (ECM) to determine the appropriate air-fuel mixture for optimal engine performance. When the …
The P0272 trouble code is a diagnostic trouble code (DTC) that indicates a Cylinder 4 Contribution/Balance Fault. This code is triggered when the Powertrain Control Module (PCM) detects that cylinder number four is not contributing enough power compared to the other cylinders during operation. Essentially, the PCM monitors the performance of each cylinder, and if …
The P2649 trouble code is a diagnostic trouble code (DTC) that indicates an issue 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 and signifies that the Engine Control Module (ECM) has detected a high voltage condition in the …
