P1733 – OBD-II DTC

OBD-II DTC P1733 – Transmission Slip Error

DTC P1733 meaning

DTC P1733 refers to a Transmission Slip Error detected by the On-Board Diagnostics II (OBD-II) system. This code indicates that the transmission is slipping, which means it is not properly engaging or maintaining the correct gear ratio. This can lead to poor vehicle performance and increased wear on transmission components.

DTC P1733 symptoms

Common symptoms associated with DTC P1733 may include:

• Unusual engine revving without corresponding acceleration
• Delayed or harsh shifting between gears
• Loss of power during acceleration
• Increased fuel consumption
• Transmission overheating
• Warning lights illuminated on the dashboard

DTC P1733 causes

Several factors can contribute to the occurrence of DTC P1733, including:

• Low transmission fluid levels
• Contaminated or degraded transmission fluid
• Worn or damaged transmission components
• Faulty transmission control module (TCM)
• Malfunctioning sensors, such as the input or output speed sensors
• Electrical issues, such as damaged wiring or connectors

DTC P1733 seriousness

DTC P1733 is considered a serious issue as it can lead to significant transmission damage if not addressed promptly. Prolonged slipping can result in complete transmission failure, which may require costly repairs or replacement. Additionally, the symptoms associated with this code can affect vehicle safety and drivability.

How to diagnose DTC P1733

To diagnose DTC P1733, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the P1733 code.
2. Check for any additional trouble codes that may provide more context.
3. Inspect the transmission fluid level and condition.
4. Examine the wiring and connectors related to the transmission for damage.
5. Test the input and output speed sensors for proper operation.
6. Evaluate the transmission control module for faults.
7. Perform a road test to observe the transmission behavior under various conditions.

How to fix DTC P1733 step-by-step instructions

To fix DTC P1733, follow these step-by-step instructions:

1. Check and top off the transmission fluid if it is low.
2. Replace the transmission fluid if it is contaminated or degraded.
3. Inspect and replace any damaged wiring or connectors.
4. Test and replace faulty input or output speed sensors as needed.
5. Examine the transmission for worn or damaged components and replace them if necessary.
6. Reprogram or replace the transmission control module if it is found to be faulty.
7. Clear the DTC using an OBD-II scanner and perform a road test to ensure the issue is resolved.

How to erase DTC P1733

To erase DTC P1733, 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.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.