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DTC P31DB: System Main Relay
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DTC Logic
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DTC Detection Logic
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
DTC Detection Logic
DTC
Trouble diagnosis name
DTC detecting condition
Possible cause
P31DB
HV BATT MAIN RELAY
System main relay 1 drive circuit remains short to ground for 2.5 seconds or more.
Harness or connectors
Li-ion battery J/B
VCM