u1120 lost wheel distance message

OBD2 Code: U1120

Description: Lost Wheel Distance Message

Definition: This code indicates that the vehicle’s control module has lost communication with the wheel speed sensor, which is responsible for providing information about the distance traveled by each wheel. This can affect systems such as ABS and traction control.

– Lost Wheel Distance Message
Severity: Medium

Common Causes

– Lost Wheel Distance Message

Common Causes:

• Faulty wheel speed sensor
• Broken or damaged wiring harness to the wheel speed sensor
• Corroded electrical connections related to the wheel speed sensor
• Issues with the ABS module or system

 

Common Misdiagnosis

Lost Wheel Distance Message
The common misdiagnosis for this code is often a faulty wheel speed sensor or an issue with the vehicle’s ABS system, rather than a communication error between modules.

 

Common Diagnostic Steps

OBD2 Code: U1120 – Lost Wheel Distance Message

Description: This code indicates that the vehicle’s control module has lost communication with the wheel distance sensor.

• Check for any stored codes in other modules that might indicate a communication issue.
• Inspect the wiring and connectors related to the wheel speed sensors for damage or corrosion.
• Verify the integrity of the CAN bus network, ensuring there are no breaks or shorts in the circuit.
• Test the wheel speed sensors individually using a multimeter to ensure they are functioning correctly.
• Examine and update any relevant software in the vehicle’s control modules if necessary.
• If applicable, perform a continuity test on all associated circuits to confirm proper electrical flow.
• Consult technical service bulletins (TSBs) for any known issues related to this code for your specific vehicle model.