HomeP173B · Code meaning and manufacturer information
Powertrain

P173B

Code meaning and manufacturer information

P173B

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 wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

Manufacturer communications

1

Original wording in English

16-123-19

SUBARU

Reported code forms P173B

This bulletin announces availability of a new CVT electric oil pump developed to address DTC P173B: ELECTRIC FLUID PUMP (CVT) PERFORMANCE. The related customer concern describes the Auto Start Stop warning lamp flashing…

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Check vehicle applicability

1

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

MakeModelModel year
SubaruFORESTER2019

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.