P06E4
Control Module Wake-up Circuit Performance
The wake-up circuit that brings the ECU out of standby on key-on or bus activity does not behave as expected - module slow to wake or wake events missed. Affects cold-start time and stop-start operation.
The wake-up circuit that brings the ECU out of standby on key-on or bus activity does not behave as expected - module slow to wake or wake events missed. Affects cold-start time and stop-start operation.
Common causes
- high
Wake-up pin response drifted
One of the most commonly reported causes for this code — check this first.
Typical part cost: $440-2200
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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
See related trouble codes
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Frequently asked questions
What does P06E4 mean?
P06E4 means "Control Module Wake-up Circuit Performance". It is a generic OBD-II code that points to a fault in the computer & auxiliary output controls.
What are the most common causes of P06E4?
wake-up pin response drifted — 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?
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.
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