Code Definition

C1623 — CAN Time-out

System: Chassis  |  Type: Manufacturer-Specific  |  Make: Hyundai

About C1623

C1623 is a manufacturer-specific chassis diagnostic trouble code recorded for Hyundai vehicles. It belongs to the C-prefix family of codes, which covers chassis, braking, steering, suspension, or stability-control faults.

Scanning & clearing: Chassis (C) codes are stored in the ABS, traction control, or stability-control modules. An enhanced or OEM-level scan tool is usually required to read and clear them.

C1623 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The Electronic Stability Program (ESP) or Electronic Brake Control Module (EBCM) relies on continuous CAN communication with the Engine Control Module (ECM) and other networked control units to receive essential data for stability and traction control operation. DTC C1623 is set when the ESP module does not receive a specific required CAN message within the calibrated time limit. This time out condition indicates a loss, interruption, or delay in CAN communication, causing the ESP system to suspend related control functions. When this code is active the ABS, ESP, and traction control warning l...

Join TaT to view the complete code information and diagnostic details.

Quick Facts