LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Honda
>>
2012
>>
Insight Base
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Advanced Diagnostics
>>
DTC U0312 (124): BCM, MCM and PGM-FI System Program Version Mismatch
>>
Malfunction Threshold
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Malfunction Threshold
The battery control processor judges that its own software version is old for at least 1 second.