Astra Owners Network banner

1 - 3 of 3 Posts

·
Registered
Joined
·
2 Posts
Discussion Starter #1
I am currently struggling with the following electrical issues with my 56 plate Astra H Z17DTH:

The fault codes I cam currently getting from Opcom include:

U2108 - CAN-Bus No Communication with ABS (Anti-Lock Brake System)
U2143 - CAN-Bus No Communication with SAS (Steering Angle Sensor)
U2105 - CAN-Bus No Communication with ECM (Engine Control Module)

The issues I currently have are as follows

- Both the air con and heater no longer function - the light for the air con no longer turns on. The same goes for the rear heated screen - however it does seem to work still even with the light not coming on. The blowers still work OK - however with no temperature variation.
- The ABS is no longer functioning - see above code
- I am unsure to why I am getting the ECM code
- When the steering wheel is turned - the stereo seems to cut out and the alternator seems to spike - is this either a bad ground or has the voltage regulation gone on the alternator?

Any help with any of the above issues would be much appreciated.

Thanks.
 

·
Registered
Joined
·
2 Posts
Discussion Starter #3
Have you tested the alternator and battery?
The battery is fine and the voltage is OK - however I am yet to test the voltage directly from the battery from the engine bay - I have only checked this through the hidden menus however I am unsure of the reliability of this and where the test point is.

Thanks.
 
1 - 3 of 3 Posts
Top