Code Definition

C1652 — CAN Communication with Electronic Park Brake

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

About C1652

C1652 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.

C1652 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) module and the Electronic Park Brake (EPB) control module exchange data over the Controller Area Network (CAN) bus to coordinate brake hold, hill start assist, and stability functions. DTC C1652 is set when the ESP module does not receive valid or timely CAN messages from the EPB module within the specified time threshold, indicating a loss, interruption, or corruption of communication between the two modules. The fault is commonly caused by wiring or connector problems on the CAN bus, power or earth supply faults at the EPB module, or a failed EPB module...

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