P1735 – OBD-II DTC

OBD-II DTC P1735 – Gear Control Malfunction 2

DTC P1735 meaning

DTC P1735 refers to a “Gear Control Malfunction 2” in the vehicle’s transmission system. This code indicates that the transmission control module (TCM) has detected an issue with the gear control system, specifically related to the second gear. The TCM monitors various parameters to ensure proper gear shifting and operation, and when it identifies a malfunction, it triggers this diagnostic trouble code.

DTC P1735 symptoms

Common symptoms associated with DTC P1735 may include:

• Delayed or harsh shifting between gears
• Inability to shift into second gear
• Transmission slipping or unexpected behavior
• Check Engine Light illuminated on the dashboard
• Unusual noises from the transmission

DTC P1735 causes

Several factors can contribute to the occurrence of DTC P1735, including:

• Faulty transmission control module (TCM)
• Wiring issues or poor connections in the transmission system
• Defective transmission solenoids
• Low transmission fluid levels or contamination
• Mechanical issues within the transmission itself

DTC P1735 seriousness

DTC P1735 is considered a serious issue as it directly affects the vehicle’s transmission performance. If left unaddressed, it can lead to further transmission damage, reduced drivability, and potential safety hazards. It is advisable to diagnose and repair the issue promptly to avoid more extensive repairs and ensure safe vehicle operation.

How to diagnose DTC P1735

To diagnose DTC P1735, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the P1735 code.
2. Check for any additional trouble codes that may provide more context.
3. Inspect the transmission fluid level and condition.
4. Examine wiring and connectors related to the TCM and transmission solenoids for damage or corrosion.
5. Test the transmission solenoids for proper operation.
6. Perform a visual inspection of the transmission for any mechanical issues.
7. Clear the codes and take the vehicle for a test drive to see if the code reappears.

How to fix DTC P1735 step-by-step instructions

To fix DTC P1735, follow these step-by-step instructions:

1. Check and top off the transmission fluid if low or contaminated.
2. Inspect and repair any damaged wiring or connectors related to the TCM and solenoids.
3. Replace any faulty transmission solenoids identified during diagnosis.
4. If the TCM is suspected to be faulty, consider reprogramming or replacing it.
5. Address any mechanical issues found within the transmission.
6. After repairs, clear the DTC using an OBD-II scanner.
7. Test drive the vehicle to ensure the issue is resolved and the code does not return.

How to erase DTC P1735

To erase DTC P1735, 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. Access the scanner’s menu and select the option to clear or erase trouble codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to check if the code reappears.

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