HomeC1812 · Code meaning and manufacturer information
Chassis

C1812

Code meaning and manufacturer information

C1812

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.

Manufacturer communications

4

Original wording in English

22-01-076H-1

HYUNDAI

Reported code forms C181208 C181287

Some 2021 ~ 2022MY Elantra (CN7, CN7a, CN7 HEV) vehicles may exhibit a condition with multiple warning lights displayed on the instrument cluster and various symptoms; multiple DTCs (Diagnostic Trouble Code), reduction…

Read communication ↗

22-01-076H

HYUNDAI

Reported code forms C181208 C181287

Some 2021 ~ 2022MY Elantra (CN7, CN7a, CN7 HEV) vehicles may exhibit a condition with multiple warning lights displayed on the instrument cluster and various symptoms; multiple DTCs (Diagnostic Trouble Code), reduction…

Read communication ↗

21-01-056H

HYUNDAI

Reported code forms C181208 C181287

Some 2021 Elantra (CN7) vehicles may exhibit a condition with multiple warning lights displayed on the instrument cluster and various symptoms; multiple DTCs (Diagnostic Trouble Code), reduction in power steering…

Read communication ↗

SSM 47790

FORD, LINCOLN

Reported code forms C1812

Some 2013-2019 Fusion/MKZ and 2013-2018 C-Max vehicles with 2.0L HEV/PHEV engine may exhibit multiple drivability or electrical concerns with one or more diagnostic trouble codes, being the most common P26C3, P26CA,…

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Check vehicle applicability

24

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

MakeModelModel year
FordC-MAX2018
FordC-MAX2017
FordC-MAX2016
FordC-MAX2015
FordC-MAX2014
FordC-MAX2013
FordFUSION2019
FordFUSION2018
FordFUSION2017
FordFUSION2016
FordFUSION2015
FordFUSION2014
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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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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.