ECU 000157.17 occurs when the ECU cannot detect the required fuel rail pressure of 10 MPa (100 bar, 1450 psi) after the engine has been running for approximately 3 seconds. This may be due to inadequate fuel supply, a malfunctioning fuel pump, or issues with the fuel pressure regulator.

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Error code ECU 000157.16 is raised when the fuel rail pressure is detected to be moderately above the normal operational range. This condition might indicate an overactive fuel pump, clogged fuel return line, or a malfunctioning pressure regulator.

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This code, ECU 000157.12, indicates that the fuel rail pressure sensor has detected an issue while measuring the fuel pressure. Potential causes could include sensor malfunction, incorrect sensor calibration, or electrical issues within the sensor circuit.

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ECU 000157.10 is triggered when a sudden decrease in fuel rail pressure is detected at times when the engine is neither injecting nor pumping fuel. This unusual drop may indicate leaks within the fuel system, faulty fuel pump operation, or issues with the pressure relief valve.

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Error code ECU 000157.04 occurs when the input voltage of the fuel rail pressure sensor drops below the specified minimum, typically due to a short to ground. This condition can lead to unreliable fuel pressure readings, affecting engine performance.

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ECU 000157.03 is triggered when the input voltage at the fuel rail pressure sensor exceeds the highest specified limit, indicating a potential short to a 12-volt source. This electrical fault can lead to incorrect sensor readings and erratic engine behavior.

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This error code, ECU 000157.02, occurs when the ECU receives invalid pressure information from the fuel rail pressure sensor. This may be due to sensor malfunction, faulty wiring, or issues within the sensor circuit.

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Error code ECU 000157.01 indicates that the fuel rail pressure is extremely low, which could signify issues such as fuel pump failure, clogged fuel filters, or leaks in the fuel system. This condition can severely affect engine performance and may lead to stalling or difficulty in starting the engine.

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This fault code, ECU 000152.16, occurs when the engine control unit experiences an unexpected reset due to internal faults, potentially caused by software errors or component failures within the ECU.

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ECU 000152.14 is set when the engine control unit’s watchdog timer causes an unexpected reset, signaling an internal malfunction possibly due to software glitches or processor faults.

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This error code, ECU 000152.12, occurs when the engine control unit (ECU) detects an unexpected reset during the bootblock process, indicating an internal fault. This can result from software issues or hardware malfunctions within the ECU.

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