This bulletin was released by Kia and is applicable to all models. On some vehicles, customers may have installed non-Kia aftermarket accessories which, under certain circumstances, may cause improper operation or even damage to components.

When diagnosing improper or unusual  operation or CAN codes, especially in ABS/ESC, TPMS, NAV head units, ECM, TCM, HVAC, BSD and other systems on the CAN bus, technicians should inspect under the dash and in engine compartment areas for any aftermarket equipment that may have been added.

Where wires are spliced, identify the circuit and system before making any recommendations for replacement of components. Temporarily disconnect the accessory from the vehicle’s electrical system to test and verify that it is or is not the root cause.

Examples of aftermarket equipment may include alarm systems, starter interrupt systems, lighting systems, cellphone chargers, radar detectors, CB/HAM equipment, LoJack modules or similar tracking devices, A/V headrests, rear entertainment systems, etc.

Example of an aftermarket parking assist module and wires spliced into the CAN system that created multiple CAN codes.

Example of an aftermarket parking assist module and wires spliced into the CAN system that created multiple CAN codes.

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