Regarding my BMW E61 523i from 2007
I recently got the "Restraint system" failure. Reading out the error codes I see 93FC and 93FD error codes,]Battery lead, positive/ground (monitoring of shielding), indicating a problem with the main battery cable. I have inspected the accessible parts of the battery cable, and see no problems.
I have tried deleting the errors with INPA, I can only delete the regular error memory, INPA has the option of deleting the history memory, but that option fails. Deleting the regular memory does nothing, if I read out errors immediately after I get the same errors again, the error lights in the dashboard never disappear.
I have also tried to delete the errors with the Android app "Deep OBD for BMW and VAG" but I get similar results as with using INPA.
I am connecting to the car using an OBD k+DCAN cable.
Does anyone know how I can delete the errors, or correct the problem?
Error readout:
The error 93B2 is from my previous attempts at diagnosing the problem, I disconnected the battery safety terminal, and reconnected it again, but I am unable to delete this error as well.SIM/SGM (Crash safety module):
Error code: 93FC
ACSM/MRS: Battery lead, positive (monitoring of shielding), Fault currently present, implausible measured values
Environmental conditions:
- Frequency: 9
- Logistics counter: 40
- Mileage/km reading: 194984 km
SIM/SGM (Crash safety module):
Error code: 93FD
ACSM/MRS: Battery lead, ground (monitoring of shielding), Fault currently present, implausible measured values
Environmental conditions:
- Frequency: 2
- Logistics counter: 40
- Mileage/km reading: 194984 km
SIM/SGM (Crash safety module):
Error code: 93B2
ACSM/MRS: Safety battery terminal, Fault currently present, implausible measured values
Environmental conditions:
- Frequency: 1
- Logistics counter: 40
- Mileage/km reading: 197376 km
Last edited by kaltoft; 04-10-2020 at 01:18 PM.
That essentially means the problem is still there, you may have to trace the wiring with a multimeter and find any faults before it will clear.
-Abel
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That is what I thought as well, that just does not explain why the 93B2 error has not cleared as well, that error occured because I disconnected the Battery Safety Terminal, and I have since reconnected the BST, and cleared the error codes, but the error code remains.
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