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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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Vauxhall Astra (1998-2006 / Astra G) In this brief guide, we will see the instructions that will allow us to enter the radio code for the Opel Astra, thus unlocking all radio stations. F…
What Does Error Code 82 Mean on the Opel Astra?
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