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<onlyinclude>
BMS CANBus loopback is a function of the built-in cable communications support for the [[Power Tank]] or the second [[Power Pack Module]] in a non-longbrick X platform model (labeled ''BMS1'' by the MBB).
The cabling ends in a multi-pin connector and should either:
# Terminate with a [[Loopback Blanking Plug]] that wires two pins together in a ''loopback'' circuit.
# Connect to a [[Power Tank]]'s corresponding communications cable.
If one of the above conditions do not hold, the MBB is configured to issue [[Error Codes#35|error code 35]].
: It is unconfirmed what purpose the loopback mechanism serves.
: ''Hypothesis:'' This is a hardware debugging mechanism for a loose connector.
</onlyinclude>
[[Category:Explanation]]
BMS CANBus loopback is a function of the built-in cable communications support for the [[Power Tank]] or the second [[Power Pack Module]] in a non-longbrick X platform model (labeled ''BMS1'' by the MBB).
The cabling ends in a multi-pin connector and should either:
# Terminate with a [[Loopback Blanking Plug]] that wires two pins together in a ''loopback'' circuit.
# Connect to a [[Power Tank]]'s corresponding communications cable.
If one of the above conditions do not hold, the MBB is configured to issue [[Error Codes#35|error code 35]].
: It is unconfirmed what purpose the loopback mechanism serves.
: ''Hypothesis:'' This is a hardware debugging mechanism for a loose connector.
</onlyinclude>
[[Category:Explanation]]
