U2503
Invalid Data Received From Object Detection Control Module
U2503 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Object Detection Control Module. Common causes: object detection module malfunction, problems with module connection (oxidation of contacts, damage to wires). Estimated repair cost: $1667–3333.
Symptoms
- Disabling Driver Assistance Systems (ADAS)
- Warning messages on the dashboard
- Adaptive cruise control is not working properly
- Errors in the operation of the automatic braking system
- Problems with the collision warning system
Causes
- Object detection module malfunction
- Problems with module connection (oxidation of contacts, damage to wires)
- Module software failures
- Mechanical damage to sensors (cameras, radars)
- Module power problems
How to Fix
- Diagnostics of the object detection module
- Checking the integrity of wiring and contacts
- Module software update
- ADAS Sensor Calibration
- Replacing a faulty module if necessary
Related codes
FAQ
What does the U2503 code mean?
U2503 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Object Detection Control Module
What causes a U2503 error code?
The most common causes of U2503 include: Object detection module malfunction; Problems with module connection (oxidation of contacts, damage to wires); Module software failures; Mechanical damage to sensors (cameras, radars).
How do I fix a U2503 diagnostic trouble code?
To fix U2503: Diagnostics of the object detection module. Checking the integrity of wiring and contacts. Module software update. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2503?
Do not drive — repair immediately
How much does it cost to fix U2503?
The estimated repair cost for U2503 is $1667–3333. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat