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    4. : What does code 4 mean in the Opel Astra J?

What does code 4 mean in the Opel Astra J?
What does code 4 mean in the Opel Astra J?

Years: 2009-2016
When code 4 appears on the car display, the correspondence obtained from reading the use and maintenance manual indicates "air conditioning off". Most likely the coolant temperature gauge will not work either and the electric fan runs continuously. The cause of everything could be the coolant sensor but to have a certain diagnosis it is necessary to go to the workshop and have a check carried out using the interface software with the car control unit.

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What Does Error Code 82 Mean on the Opel Astra?
What Does Error Code 82 Mean on the Opel Astra?
Vauxhall Astra (2009-2016 / Astra J)
Error code 82 indicates that the oil change interval level has been reached. This error code activates on all Opel vehicles. Today, we will specifica…
What does error code 35 indicate on the Opel Astra?
What does error code 35 indicate on the Opel Astra?
Vauxhall Astra (2015-2022 / Astra K) The "error code 35" on Opel vehicles, especially on the Opel Astra, Meriva, and Insignia models, corresponds to the maintenance and control system of…
What does error code 18 indicate in the Opel Astra?
What does error code 18 indicate in the Opel Astra?
Vauxhall Astra (2015-2022 / Astra K) Error code number 18 on an Opel Astra K model vehicle is used to indicate a malfunction of the left front headlight bulb. This means that it is neces…

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