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Opel Insignia B (2017–2022)Faults with the control units

Control units and comfort electronics of the Opel Insignia B: problems and faults

In the Opel Insignia B there are 2 documented faults with the control units: moisture in the central locking control unit (2018 campaign) (rest of the car) and water ingress into electronic modules and rear light units (rest of the car).

Most serious fault: High severity

4 sourcesHow we work

Faults with the control units

Documented on this model, from most to least important.

Symptoms these faults cause

Frequently asked questions

What faults with the control units does the Opel Insignia B have?

In the Opel Insignia B there are 2 documented faults with the control units: moisture in the central locking control unit (2018 campaign) (rest of the car) and water ingress into electronic modules and rear light units (rest of the car). Each fault has its own page with the affected years and versions, the symptoms and how to check for it.

Have you had a fault with the control units on your Opel Insignia B? Tell us at what mileage and how much you paid. Report your fault.

Sources

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

  1. Viel Auto fürs Geld? Opel Insignia B im Gebraucht-CheckGebrauchtwagenberater.de · Motoring press · published 23 April 2026 · consulted 29 October 2026 · in German
  2. Opel Insignia B (2017-2018): moisture in the central locking control unit (Safety Gate 37/2018)car-recalls.eu · Other source · published 13 September 2018 · consulted 29 October 2026
  3. DVSA (Reino Unido) – base de llamadas a revisión (consulta del 29-10-2026)DVSA (Reino Unido) · Official body · consulted 29 October 2026
  4. Tous les problèmes sur Opel INSIGNIA GRAND SPORT 2017-2024 (44 témoignages)fiches-auto.fr · Other source · consulted 5 October 2026 · in French