Alternator Load Input Failed Low
Table of contents
P1245 MERCURY Possible Causes
- Faulty Alternator/Generator
- Broken Alternator Belt
- Alternator/Generator harness is open or shorted
- Alternator/Generator circuit poor electrical connection
- Damaged Powertrain Control Module (PCM)
How do I fix code P1245 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1245 MERCURY code
The cost of diagnosing the P1245 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1245 MERCURY Description
The Powertrain Control Module (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.