2026 Jeep Compass Steering Angle Sensor Fault U053B 81

Symptoms

Owners of the 2026 Jeep Compass (MW) may observe various warning pop-ups on their instrument cluster. These messages are related to advanced driver-assistance systems (ADAS) and include "Lane Keeping Assistance", "Lane Positioning Assist", and "Blind Spot Monitoring System". These warnings indicate that the respective ADAS functions may be unavailable.

Fault Codes / DTCs

These warning messages are typically accompanied by specific diagnostic trouble codes (DTCs) related to a steering wheel angle sensor fault. The following codes may be present in several Electronic Control Units (ECUs):

• U053B 81
• B2EF8 9E
• U1205 81

Diagnosis / Trigger Conditions

This Jeep Compass steering angle sensor fault often manifests under specific conditions. It may appear when the vehicle is in "storage/transport" mode, which is common during the initial new vehicle preparation (PDI phase). Additionally, the warnings can surface any time the vehicle's 12V battery has been disconnected and reconnected. Most ADAS systems rely on accurate steering wheel angle information; if this angle is unknown or uncalibrated, their warning lamps will illuminate.

Lane Keeping Assistance (LKA) and Automatic Emergency Braking (AEB) are mandatory safety features under GSR2 regulations since July 2024. Therefore, if the steering wheel angle is not properly calibrated, the system will display warnings to indicate that these crucial functions are unavailable.

Repair Procedure Summary

To resolve the Jeep Compass steering angle sensor fault and clear the associated warning messages, a calibration procedure must be performed. This involves a specific sequence of steering wheel movements followed by driving the vehicle under controlled conditions. The programming time for the steering wheel angle sensor is slightly longer to ensure improved ADAS accuracy.

1. Vehicle Preparation: Ensure the vehicle is in parking mode ("P") and the built-in systems interface (VSM1) shunt is in "customer mode".
2. Steering Wheel Lock-to-Lock: Turn the steering wheel once to its full left-hand lock position, then once to its full right-hand lock position.
3. Driving Calibration: Drive the vehicle on a straight road for approximately 250 to 1000 meters at a speed of about 30 km/h. During this driving phase, it is crucial to maintain the straightest possible trajectory, a constant vehicle speed, and drive on a level road surface free from irregular slopes.

After successfully completing this procedure, the warning messages for "Lane Keeping Assistance", "Lane Positioning Assist", and "Blind Spot Monitoring System" should disappear automatically from the instrument cluster. The time and distance required for calibration can vary based on speed consistency, steering rotation, and road flatness.

Owner Action

If you own a 2026 Jeep Compass and are experiencing warning pop-ups for "Lane Keeping Assistance", "Lane Positioning Assist", or "Blind Spot Monitoring System" along with a Jeep Compass steering angle sensor fault, especially after a battery disconnection or during the PDI phase, contact your authorized Jeep service center. They can perform the necessary steering wheel angle sensor calibration as outlined in STAR Online Publication Case Number S2623000014 to restore full functionality of your ADAS systems.

Source: NHTSA ID 11030271