C1750 – OBD-II DTC

OBD-II DTC C1750 – Accelerator Position Sensor Out of Range

DTC C1750 meaning

DTC C1750 refers to a diagnostic trouble code indicating that the accelerator position sensor is out of range. This sensor is crucial for monitoring the position of the accelerator pedal, which directly affects engine performance and vehicle speed. When the sensor readings fall outside the expected range, it triggers this code, signaling a potential issue with the sensor or its circuit.

DTC C1750 symptoms

Common symptoms associated with DTC C1750 may include:

• Illuminated check engine light
• Unresponsive or erratic acceleration
• Reduced engine power or limp mode
• Increased fuel consumption
• Stalling or hesitation during acceleration

DTC C1750 causes

Several factors can lead to the occurrence of DTC C1750, including:

• Faulty accelerator position sensor
• Wiring issues or damaged connectors in the sensor circuit
• Corrosion or poor connections at the sensor terminals
• Faulty engine control module (ECM)
• Mechanical issues with the accelerator pedal assembly

DTC C1750 seriousness

DTC C1750 is considered a serious issue as it can affect vehicle performance and safety. If the accelerator position sensor is malfunctioning, it may lead to unpredictable acceleration behavior, which can increase the risk of accidents. It is advisable to address this code promptly to ensure safe driving conditions.

How to diagnose DTC C1750

To diagnose DTC C1750, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the accelerator position sensor and its wiring for visible damage.
3. Check the sensor’s voltage and ground connections using a multimeter.
4. Test the sensor’s output signal while manually moving the accelerator pedal.
5. Examine the engine control module for any related fault codes.

How to fix DTC C1750 step-by-step instructions

To fix DTC C1750, follow these step-by-step instructions:

1. Clear the DTC using an OBD-II scanner.
2. Inspect and repair any damaged wiring or connectors related to the accelerator position sensor.
3. If the sensor is faulty, replace it with a new one.
4. Ensure that the accelerator pedal assembly is functioning correctly and is not obstructed.
5. Reconnect all components and perform a test drive to verify that the issue is resolved.

How to erase DTC C1750

To erase DTC C1750, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the “Erase Codes” or “Clear Codes” option on the scanner.
4. Confirm the action to clear the trouble codes.
5. Disconnect the scanner and start the engine to check if the code reappears.

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