U1036 – OBD-II DTC

OBD-II DTC U1036 – SCP (J1850) Invalid or Missing Data for Wheels

DTC U1036 meaning

DTC U1036 refers to a diagnostic trouble code that indicates an issue with the communication between the vehicle’s modules, specifically related to the wheel data. The code signifies that the data from the wheels is either invalid or missing, which can affect various systems such as traction control, anti-lock braking, and stability control. This code is associated with the SCP (J1850) communication protocol used in many vehicles.

DTC U1036 symptoms

Common symptoms associated with DTC U1036 may include:

• Illumination of the check engine light
• Loss of traction control functionality
• Inconsistent or erratic behavior of the anti-lock braking system (ABS)
• Stability control system warnings
• Possible changes in vehicle handling or braking performance

DTC U1036 causes

Several factors can lead to the triggering of DTC U1036, including:

• Faulty wheel speed sensors
• Damaged wiring or connectors in the wheel speed sensor circuit
• Malfunctioning ABS control module
• Issues with the vehicle’s communication network
• Software glitches in the vehicle’s control modules

DTC U1036 seriousness

DTC U1036 can be considered serious as it may affect critical safety systems such as ABS and traction control. If left unaddressed, it could lead to compromised vehicle stability and increased risk of accidents, especially in adverse driving conditions. It is advisable to diagnose and repair the issue promptly to ensure safe vehicle operation.

How to diagnose DTC U1036

To diagnose DTC U1036, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC U1036.
2. Check for any additional trouble codes that may provide more context.
3. Inspect the wheel speed sensors for physical damage or disconnection.
4. Examine the wiring and connectors associated with the wheel speed sensors for signs of wear or corrosion.
5. Test the wheel speed sensors using a multimeter to ensure they are functioning correctly.
6. Check the ABS control module for any faults or software issues.
7. Verify the integrity of the vehicle’s communication network.

How to fix DTC U1036 step-by-step instructions

To fix DTC U1036, follow these steps:

1. Address any identified issues with the wheel speed sensors, such as replacing faulty sensors or repairing damaged wiring.
2. Ensure all connectors are secure and free from corrosion.
3. If the ABS control module is faulty, consider replacing it or reprogramming it if necessary.
4. Clear any software glitches by updating the vehicle’s control module software if applicable.
5. After repairs, recheck the system using an OBD-II scanner to ensure DTC U1036 is no longer present.

How to erase DTC U1036

To erase DTC U1036, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position 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 ensure the check engine light does not reappear.

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.