Hybspec

P0731

Wysoki

Incorrect 1st Gear Ratio

OBD-II (EN): Gear 1 Incorrect Ratio

Code P0731 — Incorrect 1st Gear Ratio. Symptoms: jerking when starting off. Possible cause: worn 1st gear clutch linings. Professional diagnosis recommended.

Symptoms

Jerking when starting off, slipping in 1st gear, delayed 1st gear engagement

Possible causes

Worn 1st gear clutch linings, low transmission oil pressure, faulty 1st gear solenoid, contaminated oil

Affected systems

Skrzynia biegów

Related codes

Does code P0731 require professional diagnostics?

The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.