P2E3F: Battery Charger B Module Forced Shutdown Voltage Low

The forced shutdown voltage feedback of battery charger B is low. Safety shutdown line may be compromised.

High severity. Can I keep driving?If the car still runs, drive as little as possible and go to a specialized repair shop. Do not touch the orange cables: they carry high voltage.

Symptoms

Charge status indicator shows fault
Charging may not start or interrupts
Slower-than-expected charge rate

Most likely causes

Forced shutdown wire fault
Module shutdown circuit fault

What to check, in order

Start with the simplest. You can tick off each step.

Read the codes with a hybrid-compatible scanner and write down the freeze frame data
With the connector unplugged, check whether the signal wire is making contact with ground.
Make sure the battery cooling air intake is clean
Check the 12 V auxiliary battery, which can also trigger warnings
Leave any high-voltage measurements to a specialized repair shop

Good to know

Repair difficulty: hard
It can trigger limp mode.

What each character of P2E3F means

P: Powertrain: engine and transmission
2: Generic code: same on every make
E: Subsystem depends on the code range
3F: Specific fault in that system

Frequently asked questions

Can I keep driving with code P2E3F?

If the car still runs, drive as little as possible and go to a specialized repair shop. Do not touch the orange cables: they carry high voltage.

What causes code P2E3F?

The most common causes are: forced shutdown wire fault; module shutdown circuit fault.

Related codes

P2E33Battery Charger A Module Forced Shutdown Voltage Low

Sources

Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.