Battery Charger Power Efficiency
Table of contents
P1EFD CADILLAC Possible Causes
- Faulty Battery Charger
- Battery Charger harness is open or shorted
- Battery Charger circuit poor electrical connection
How do I fix code P1EFD CADILLAC?
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 P1EFD CADILLAC code
The cost of diagnosing the P1EFD CADILLAC 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)
P1EFD CADILLAC Description
The battery charger will diagnose its own systems and determine when a fault condition is present. Diagnostics and system status is communicated from the battery charger to the hybrid/EV powertrain control module 2 through serial data. The hybrid/EV powertrain control module 2 is the host controller for DTC information.