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Chassis

C1126

Code meaning and manufacturer information

OBD-II / DTC

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.

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Manufacturer communications

4

Original wording in English

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24-01-089H ↗

HYUNDAI

Certain Santa Fe Hybrid (MX5A HEV) vehicles’ Body Domain Controller (BDC) software logic may disable the Tire Pressure Monitoring System (TPMS) system that leads to a low-voltage logic error with active DTC C112600. Follow the instructions in this bulletin to update the BDC software to correct the TPMS system and to enhance Smar…

24-01-084H ↗

HYUNDAI

Certain Santa Fe (MX5A) vehicles’ Body Domain Controller (BDC) software logic may disable the Tire Pressure Monitoring System (TPMS) system that leads to a low-voltage logic error with active DTC C112600. Follow the instructions in this bulletin to update the BDC software to correct the TPMS system and to enhance Smart Key recog…

KIA

TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BDC-BCM LOGIC IMPROVEMENT FOR DTC C1126 (SA579) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to improve the Body Domain Controller (BDC) – Bo…

TSB_ELE348 ↗

KIA

TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BDC-BCM LOGIC IMPROVEMENT FOR DTC C1126 (SA579) - This bulletin provides information to improve the Body Domain Controller (BDC) – Body Control Module (BCM) operation logic on certain 2024MY EV9 (MV) vehicles produced from September 25, 2023 through February 21, 2024. The BDC Motor Con…

Check vehicle applicability

3

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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MakeModelModel year
HyundaiSANTA FE ↗2024
HyundaiSANTA FE HYBRID ↗2024
KiaEV9 ↗2024

Code meaning and manufacturer information

Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.

Cruise Control Command Switch Assembly Circuit Failure

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.