R50/53 Battery drain related to ABS pump module (r53)?
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Joined: Jul 2018
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Battery drain related to ABS pump module (r53)?
Anyone know anything about the ABS module staying on after turning off the vehicle? I was finally able to find the responsible module for parasitic draw being the ABS unit (260ma). These were my results:
The below test was on the body control unit &ABS by the passenger's footwell:
Blu, black, white, abs, no fuse=100ma
Same as above without white=30ma < I think same result by disconnecting ABS connector
All connected w/o fuse=100ma
All connected w/fuse=260ma
All disconnected, fuse on, abs Conn on=190ma
Same as above, brake reservoir lvl disconnected =190ma
The below test was on the body control unit &ABS by the passenger's footwell:
Blu, black, white, abs, no fuse=100ma
Same as above without white=30ma < I think same result by disconnecting ABS connector
All connected w/o fuse=100ma
All connected w/fuse=260ma
All disconnected, fuse on, abs Conn on=190ma
Same as above, brake reservoir lvl disconnected =190ma
I could be remembering wrong
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