P2EAE

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.

Reductant Injection Valve Circuit Range/Performance Bank 1 Unit 2

High severity

The reductant injection valve on bank 1 unit 2 reports a range/performance fault. Dosing accuracy on this unit is impaired.

Common causes

Injection valve partially clogged
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $220-1320
Coil resistance drifted
A plausible cause — test and verify before replacing parts.
medium
Typical part cost: $220-1320
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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 P2EAE mean?

P2EAE means "Reductant Injection Valve Circuit Range/Performance Bank 1 Unit 2". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.

What are the most common causes of P2EAE?

injection valve partially clogged; coil resistance drifted; sensor element aged beyond calibration window — 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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