P1EF8 GMC - Battery Charger Control Module High-Voltage Energy Communication Bus Enable Circuit Low Voltage
P1EF8 GMC Possible Causes
- Faulty Battery Charger Control Module
- Battery Charger Control Module harness is open or shorted
- Battery Charger Control Module circuit poor electrical connection
First diagnose P1EF8 GMC code
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 terminals.
Cost of diagnosing the P1EF8 GMC code
Labor: 1.0The cost of diagnosing the P1EF8 GMC 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.
P1EF8 GMC Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1ef8 Gmc DescriptionThe battery charger compares the high-voltage energy management communication enable hardwire signal with a hybrid powertrain control module 2 serial data message indicating that the high-voltage energy management communication enable signal is active. If the high-voltage energy management communication enable hardwire signal is low when the serial data message indicates it should be high, then DTC P1EF8 is set.
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