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.
C270354Control Module Slave Calibration
C270354CONTROL MODULE SLAVE MISSING CALIBRATION
Manufacturer communications
7Original 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
Some Palisade (LX2) vehicles may intermittently experience the BCW Malfunction Indicator Light ON with a message ?Check Blind-Spot Collision Warning System? displayed on the instrument cluster. When the BCW Malfunction Indicator Light is ON, the BCW function becomes inoperative. When the BCW Malfunction Indicator Message turns O…
HYUNDAI
Some Palisade (LX2) vehicles may intermittently experience the BCW Malfunction Indicator Light ON with a message ?Check Blind-Spot Collision Warning System? displayed on the instrument cluster. When the BCW Malfunction Indicator Light is ON, the BCW function becomes inoperative. This bulletin provides the service procedure to up…
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 …
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.