HomeC1C40 · Code meaning and manufacturer information
Chassis

C1C40

Code meaning and manufacturer information

C1C40

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

3

Original wording in English

06-95-25R

SUBARU

Reported code forms C1C40

This bulletin announces the availability of new reprogramming files developed to address cases of DTC C1C40 being detected by the Electronic Brake Booster (EBB) in addition to Failure Detail Code 30A2 stored within the…

Read communication ↗

06-95-25R

SUBARU

Reported code forms C1C40

This bulletin announces the availability of new reprogramming files developed to address cases of DTC C1C40 being detected by the Electronic Brake Booster (EBB) in addition to Failure Detail Code 30A2 stored within the…

Read communication ↗

06-95-25

SUBARU

Reported code forms C1C40

This bulletin announces the availability of new reprogramming files developed to address cases of DTC C1C40 being detected by the Electronic Brake Booster (EBB) in addition to Failure Detail Code 30A2 stored within the…

Read communication ↗

Check vehicle applicability

2

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

MakeModelModel year
SubaruWRX2025
SubaruWRX2024

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.