C1752 – OBD-II DTC

OBD-II DTC C1752 – Vehicle Speed Sensor # 1 Output Circuit Short to Gnd

DTC C1752 meaning

DTC C1752 refers to a diagnostic trouble code indicating a problem with the Vehicle Speed Sensor # 1 output circuit. Specifically, it signifies that there is a short circuit to ground in the output circuit of the vehicle speed sensor. This sensor is crucial for providing accurate speed data to the vehicle’s control modules, which in turn affects various systems such as transmission control and stability control.

DTC C1752 symptoms

Common symptoms associated with DTC C1752 may include:

• Inaccurate speedometer readings
• Transmission shifting issues
• Activation of the check engine light
• Erratic vehicle performance
• Potential issues with anti-lock braking system (ABS)

DTC C1752 causes

Several factors can lead to the occurrence of DTC C1752, including:

• Faulty vehicle speed sensor
• Wiring issues, such as frayed or damaged wires
• Corrosion or poor connections in the sensor circuit
• Short circuit in the wiring harness
• Faulty control module

DTC C1752 seriousness

DTC C1752 is considered a serious issue as it can affect the vehicle’s speed readings and overall performance. If left unaddressed, it may lead to:

• Increased wear on transmission components
• Potential safety hazards due to inaccurate speed readings
• Decreased fuel efficiency
• Failure of emissions tests

How to diagnose DTC C1752

To diagnose DTC C1752, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the vehicle speed sensor and its wiring for visible damage.
3. Check for proper voltage and ground at the sensor connector.
4. Test the resistance of the vehicle speed sensor.
5. Examine the vehicle’s control module for any faults.

How to fix DTC C1752 step-by-step instructions

To fix DTC C1752, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety.
2. Inspect and repair any damaged wiring or connectors related to the vehicle speed sensor.
3. Replace the vehicle speed sensor if it is found to be faulty.
4. Reconnect the battery and clear the DTC using an OBD-II scanner.
5. Test drive the vehicle to ensure the issue is resolved and the code does not return.

How to erase DTC C1752

To erase DTC C1752, 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 option to clear or erase trouble codes on the scanner.
4. Confirm the action to erase the codes.
5. Disconnect the scanner and start the vehicle to verify that the code does not reappear.

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