Automatic gearbox Citroën C4 I: problems, symptoms and price

Problems with the automatic gearbox on the the AL4 / DP0 gearbox

From most to least important. Check the affected years and versions on each page.

- High severityFrequency: OccasionalTransmissionDegraded oil: harsh shifts, slipping and overheatingYes: as with any automatic gearbox, if the AL4/DP0 oil degrades or drops in level, harsh shifts, slipping and overheating appear. We have not found a specific change interval from PSA or Renault, but several sources recommend checking it even if the manufacturer does not list it as necessary.
- Low severityFrequency: OccasionalTransmissionJolt or sharp thud when engaging a gear from a standstillIt is a symptom described in general terms for automatic gearboxes with degraded oil: a jolt or a sharper thud than normal when moving from park or neutral into gear, especially when cold. We have not found sources confirming whether the AL4/DP0 suffers from it more than other gearboxes of its era.

Symptoms these faults cause

Frequently asked questions

What faults with the automatic gearbox does the Citroën C4 I have?

In the Citroën C4 I there are 2 documented faults with the automatic gearbox: degraded oil: harsh shifts, slipping and overheating (AL4 / DP0 gearbox) and jolt or sharp thud when engaging a gear from a standstill (AL4 / DP0 gearbox). Each fault has its own page with the affected years and versions, the symptoms and how to check for it.

Which engines of the Citroën C4 I have faults with the automatic gearbox?

The documented faults affect the AL4 / DP0. Check the years and versions on each page: they do not always affect every unit.

Sources

Every fact on this page links to its source. If you find an error, let us know.

El cambio de aceite de la caja de cambios que evita una avería de 2.000 eurosMotor16 · Motoring press · consulted 27 September 2026 · in Spanish
Síntomas de falta de aceite en una caja de cambios automáticaAutopista.es · Motoring press · consulted 27 September 2026 · in Spanish