OBD-II code · Powertrain (generic, extended)
P2E40 Battery Charger B Module Forced Shutdown Voltage High
The forced shutdown voltage feedback of battery charger B is high. Safety shutdown line may be compromised.
Is it safe to drive with P2E40?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyForced shutdown wire fault
- PossibleModule shutdown circuit fault
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Charger B Shutdown Circuit, Wiring Harness
Related codes
- P2E34Battery Charger A Module Forced Shutdown Voltage High
- P2E3DBattery Charger B Output Shorted
- P2E3EBattery Charger B Module Forced Shutdown Voltage Performance
- P2E3FBattery Charger B Module Forced Shutdown Voltage Low
- P2E41Hybrid/EV Electronics Coolant Pump B Control Circuit/Open
- P2E42Hybrid/EV Electronics Coolant Pump B Performance
- P2E43Hybrid/EV Electronics Coolant Pump B Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.