Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
C270254CONTROL MODULE MASTER MISSING CALIBRATION /
Manufacturer communications
6Original wording in English
KIA
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BCW SOFTWARE UPDATE (SA422) - This bulletin provides the procedure to update the logic of the Blind Spot Collision Warning (BCW) on some 2021MY Seltos (SP2) vehicles, produced from November 20, 2019 through March 27, 2020, which may exhibit MIL ON with DTC(s) C2702 – C2703.
HYUNDAI
Certain 2019 MY Elantra (ADa) vehicles may experience the Blind-Spot Collision Warning (BCW) light displayed on the instrument cluster. In some cases one and/or two of the following DTCs can be set: ? C2702 ? Control Module Missing Calibration ? C2703 ? Control Module Slave Missing Calibration This bulletin provides the service …
HYUNDAI
Certain 2019 MY Elantra (ADa) vehicles may experience the Blind-Spot Collision Warning (BCW) light displayed on the instrument cluster. In some cases one and/or two of the following DTCs can be set: · C2702 Control Module Missing Calibration · C2703 Control Module Slave Missing Calibration This bulletin provides the service proc…
KIA
TSB - BCW LOGIC IMPROVEMENT FOR DTC C270254 - This bulletin provides the procedure to improve the logic of the Blind Spot Collision Warning (BCW) system on some 2019MY Sorento (UMa) vehicles, produced from January 22, 2018 through September 22, 2018, which may experience a Malfunction Indicator Lamp (MIL) illumination with DTC C…
Check vehicle applicability
22A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.