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What does error code 4 indicate on an Opel Astra J?

Model: Vauxhall Astra Astra J - Years: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Part: Warning light – error code

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Video tutorial

Today, you will learn what error code 04 means when it appears on the dashboard display of an Opel Astra model J. Error code 04 indicates that the vehicle's air conditioning is off. There are two possible causes for this malfunction: the air conditioning is low on gas or the relevant fuse is damaged.

The first step is to check the condition of the fuse; if the fuse is intact, check the gas charge of the air conditioning.

If there are no issues, take the vehicle to a garage for a computer diagnosis to ensure the problem does not lie within the control unit.


Updated on 26 October 2026 by ScegliAuto


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How to Remove the Rear Seat of a Hyundai Tucson?

To remove the rear seat of a Hyundai Tucson, follow these steps. Start by moving the front seats to their most forward position to gain space. Next, locate the release lever on the underside of the rear seat, near the floor. Press this lever down while pulling the seat upwards to unlock it from the anchor pins. Once unlocked, tilt the seat upwards and forwards to remove it from its position. Repeat this process for both sides of the rear seat. Be careful of any electrical cables or components that may be connected to the seat during removal. Once the rear seat is removed, the disassembly is complete.

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by ScegliAuto

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