AI DamageU0232 code: Lost Communication With Side Obstacle Detection Control Module A
Code U0232 is named in 3 US owner complaints. Models: 3, model years 2020–2022.
What the code means
Lost Communication With Side Obstacle Detection Control Module A. Generic meaning per SAE J2012 (the same for all makes).
How to read U0232: the letter U means network communication between modules; the second digit 0 marks a generic SAE code shared by all makes; the last three characters 232 identify the specific fault.
Codes for cameras, radars, blind spot and parking sensors. These units sit in bumpers, grilles and mirrors, so even a light impact shifts them or breaks mounts. After bumper or windshield work they need calibration on a rig, which is a separate and noticeable cost.
Key figures
- Complaints with this code
- 3
- Models
- 3
- Model years
- 2020–2022
Which models and years
Models whose owners name this code (3). Years link to the model year problems page.
Components named together with the code
Component as the owner filed it (one complaint can list several).
Complaints by model year
What to do if an auction car has this code
- Locate cameras and radars in the bumper, grille, windshield and mirrors in the photos and check their mounts.
- Budget ADAS calibration after bumper repair or glass replacement.
What owners report
Excerpts of owner complaints in the original wording. Owner statements not verified by the regulator; personal data removed.
Both rear blind-spot modules showed zero CAN bus communication. The following diagnostic trouble codes were confirmed: U0233, U023387, U0232, P057113, P157800, P1152A, P160400, C13807E, U0163, C142571, and B1576. The rear bumper had been improperly repaired using adhesive rather than factory fasteners.
U0184 Lost Communication with Radio 6. U0232 Lost Communication with Side Object Detection Control Module - Left Dealer said that these are just notification and may not be able to find anything. It advised to bring vehicle back if this message pops up again.
Service team had vehicle 5 days. Cleared codes U0131, U0100, U0140, U0155, U0198, U0253, U0257, P0919, U0212, U023A, U0103, U0111, U0121, U013F, U0159, U0232, U0233, U0293, U0401, U0415, U0420, U0424, U0531, U0101, U0418, U0429, U0146. 4 mile test drive. 20 mile drive returned vehicle with no cause or correction.
Related codes
Sources: public official US data (owner complaints) and the SAE J2012 standard. Complaints are owner statements not verified by the regulator. A code from a complaint does not replace a scan tool diagnosis. Data updated 2026-11-10.