P068B
ECM or PCM Power Relay De-Energized Performance Too Late
Same as P068A with the relay dropping out later than the calibrated window allows - keeps the ECU powered too long after key-off, drains the battery.
Same as P068A with the relay dropping out later than the calibrated window allows - keeps the ECU powered too long after key-off, drains the battery.
Common causes
- high
Relay contact welded
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-390
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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 P068B mean?
P068B means "ECM or PCM Power Relay De-Energized Performance Too Late". 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 P068B?
relay contact welded — 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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