Opel Astra J - Condensation drain / various electrical faults | HELLA
Opel
Astra J
Model year: 2010–2012
Engine: all variants
Condensation drain / various electrical faults
If there are any electrical faults in the above vehicles, these may be caused by a faulty or missing condensation drain.
Another cause may be an air distributor that was damaged during production.
A faulty drain may allow water to reach the BCM (Body Control Module), leading to the following faults:
- Central locking system does not work
- Wipers do not work
- Horn activates itself
- Engine will not start
- Body systems do not work
- Various fault codes
Proceed as follows to rectify the problem:
- Check that the condensation drain is present and whether it is broken
- If necessary, fit/replace the condensation drain
- Check the air distributor housing for damage/traces of water and replace if necessary
- Check the BCM for water ingress and corrosion and replace in the event of water ingress
- Clear the fault memory
- Carry out performance check
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