P1705 – OBD-II DTC

OBD-II DTC P1705 – Transmission Indeterminate Failure (Failed to Neutral)

DTC P1705 meaning

DTC P1705 refers to a Transmission Indeterminate Failure, specifically indicating that the transmission control module (TCM) has detected a failure to achieve a neutral state. This code is often triggered when the TCM cannot determine the current gear position or when there is an issue with the transmission range sensor.

DTC P1705 symptoms

Common symptoms associated with DTC P1705 may include:

• Transmission not shifting properly
• Inability to shift into neutral
• Check Engine Light illuminated
• Erratic or harsh shifting
• Vehicle may not move or may stall

DTC P1705 causes

Several factors can lead to the triggering of DTC P1705, including:

• Faulty transmission range sensor
• Wiring issues or poor connections in the transmission circuit
• Faulty TCM
• Low transmission fluid levels or fluid contamination
• Mechanical issues within the transmission

DTC P1705 seriousness

DTC P1705 is considered a serious issue as it can affect the vehicle’s drivability and safety. If the transmission cannot shift properly, it may lead to further damage or failure of the transmission system. It is advisable to address this code promptly to avoid more extensive repairs.

How to diagnose DTC P1705

To diagnose DTC P1705, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the P1705 code.
2. Check for any additional DTCs that may provide more context.
3. Inspect the transmission range sensor and its wiring for damage or corrosion.
4. Verify the transmission fluid level and condition.
5. Test the TCM for proper operation and communication with other modules.
6. Perform a visual inspection of the transmission for any mechanical issues.

How to fix DTC P1705 step-by-step instructions

To fix DTC P1705, follow these steps:

1. Repair or replace any damaged wiring or connectors related to the transmission range sensor.
2. Replace the transmission range sensor if it is found to be faulty.
3. Ensure the transmission fluid is at the correct level and replace it if contaminated.
4. Reprogram or replace the TCM if it is determined to be malfunctioning.
5. Clear the DTC using an OBD-II scanner and test drive the vehicle to see if the code returns.

How to erase DTC P1705

To erase DTC P1705, 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 DTCs” option on the scanner.
4. Confirm the action to clear the codes.
5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

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