L454 Handbrake
Discussion
Have a 2015 Sport
The battery went flat found i had a drain about 300-500 ma
More importantly i have a cyclic clicking every 3 minutes approx from the handbrake ECU
This is with engine off all closed up Alarm ON or OFF and my ear to the rear panel panel near OSR light
So im assuming the 2 are linked
Any help please
The battery went flat found i had a drain about 300-500 ma
More importantly i have a cyclic clicking every 3 minutes approx from the handbrake ECU
This is with engine off all closed up Alarm ON or OFF and my ear to the rear panel panel near OSR light
So im assuming the 2 are linked
Any help please
The OSR area houses a bunch of relays.
The noise near the handbrake is harder to guess, if it was a FFRR I would have said gear selector, not so sure with the sport.
The issue is likely to be a control unit not shutting down. A dealer should be able to trace which one is causing the current draw.
The noise near the handbrake is harder to guess, if it was a FFRR I would have said gear selector, not so sure with the sport.
The issue is likely to be a control unit not shutting down. A dealer should be able to trace which one is causing the current draw.
You could try to diagnose by working out which relay is clicking, or by locating the circuit which is causing the drain using a current clamp. However I suspect when you find this you'll be into a world of guessing which element in the chain is the issue.
As a quick fix I would disconnect the battery for 10 minutes in the hope this resets whatever has gone rogue on you.
As a quick fix I would disconnect the battery for 10 minutes in the hope this resets whatever has gone rogue on you.
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