P0E16

Q: Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

Hybrid/EV Battery Pack Coolant Heater B Control Circuit/Open

High severity

The HV battery pack coolant heater B reports a control circuit/open condition. Battery preheating may be impaired in cold weather.

Common causes

Open in heater control wire
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $220-1650
Open heater element
A plausible cause — test and verify before replacing parts.
medium
Typical part cost: $220-1650
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First things to check

1Confirm the code with a scan tool and check for additional related codes.
2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P0E16 mean?

P0E16 means "Hybrid/EV Battery Pack Coolant Heater B Control Circuit/Open". It is a generic OBD-II code that points to a fault in the hybrid / ev powertrain.

What are the most common causes of P0E16?

open in heater control wire; open heater element; pin pushed back out of connector body — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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