P1245 Honda Alternator Load Input Failed Low
Possible causes
GEN-COM circuit short to GND.
GEN-MON circuit short to GND.
Open B+ wire during operation.
Low system voltage.
Broken generator belt.
Damaged generator/regulator assembly.
Damaged PCM.
Tech description
Verify the battery voltage is 14.5 volts.
Verify the generator/regulator has the correct part number.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1245 Honda Description
The PCM monitors generator load from the generator/regulator in the form of frequency. The fault indicates the input is lower than the load should be in normal operation. The load input could be low when no generator output exists.
Honda Vehicle:Honda Accord,Honda Civic,Honda Crosstour,Honda CR-V,Honda CR-Z,Honda Element,Honda Fit,Honda Insight,Honda Odyssey,Honda Pilot,Honda Ridgeline,Honda Accord Crosstour,