Supply problem at the ground-side pad, such as a low or unstable mains supply or a tripped or faulty supply circuit; Poor alignment or excessive gap between ground pad and vehicle pad, or an object between them, reducing the power transferred; Damaged, corroded or loose wiring or connectors between the vehicle pad, the charger module and the high-voltage system; Low 12 V battery voltage or a poor earth affecting the charger control unit and its voltage measurement; Faulty vehicle-side receiving pad or inductive charger module; Faulty voltage sensing circuit or outdated control unit software giving a false low reading.

P2EB5

Hybrid/EV Battery Inductive Charger Input Voltage Low.

Generic
Powertrain
Generic code
Low severity

How this code is built

P: SystemPowertrain
2: Defined bySAE, the same on every car
E: AreaReserved
B5: FaultThe specific fault in that area

What it means

P2EB5 means the control unit for the inductive (wireless) charger of the hybrid or electric vehicle traction battery has seen its input voltage fall below the expected range. The fault is set when the measured voltage at the charger input stays under the calibrated threshold while charging is requested or in progress. Exactly where that voltage is measured, and the threshold, depends on the vehicle and the charging system design.

Symptoms

Wireless charging will not start or stops part-way through
Charge indicator or app reports a charging fault
Slower charging than normal or the battery does not reach full charge
Hybrid or EV system warning light or a stored fault with the vehicle otherwise driving normally
Charging works with a cable but not with the inductive pad

Possible causes

Supply problem at the ground-side pad, such as a low or unstable mains supply or a tripped or faulty supply circuitlikely
Poor alignment or excessive gap between ground pad and vehicle pad, or an object between them, reducing the power transferredlikely
Damaged, corroded or loose wiring or connectors between the vehicle pad, the charger module and the high-voltage systempossible
Low 12 V battery voltage or a poor earth affecting the charger control unit and its voltage measurementpossible
Faulty vehicle-side receiving pad or inductive charger modulepossible
Faulty voltage sensing circuit or outdated control unit software giving a false low readingrare

How to diagnose

Read all stored and pending codes and the freeze frame data, noting the voltage values, charge state and conditions when the fault set
Check for other charging, high-voltage or low-voltage supply codes that point to a common cause
Check the 12 V battery condition and charging voltage, and the main earth connections
Inspect the ground pad and vehicle pad for damage, debris, water ingress, and check alignment and gap against the manufacturer's specification
Test the supply to the ground pad (mains voltage, protective device, supply unit status) and try a different, known-good supply or pad if available
Inspect the vehicle-side wiring and connectors for corrosion, pin damage and heat marks, following the manufacturer's high-voltage safety procedure
Use a scan tool to view live charger input voltage and compare it with the specification for that model
Check for software updates or technical bulletins for the vehicle and charging system

How to fix

Correct the supply fault or replace the faulty ground-side supply equipment
Reposition the vehicle and clear obstructions so the pads are properly aligned
Repair or replace damaged wiring, connectors or earth connections
Charge or replace a weak 12 V battery
Replace the faulty vehicle pad or charger module after confirming the diagnosis
Update the control unit software only if an outdated calibration is a known cause for that model

Can I keep driving?

Low severity

The vehicle can normally still be driven and charged by cable, as this fault affects only wireless charging. Book it in for diagnosis, and stop driving if any high-voltage or battery warning appears alongside it. Any work on high-voltage components should be done by a suitably trained technician.

Guide written by AI from the code's definition. Confirm with a diagnosis before replacing parts.