P06B8
Internal Control Module NVRAM Error
The non-volatile RAM (used for adaptive learning storage that survives key-off but is faster than EEPROM) reports a check-sum or write fault.
The non-volatile RAM (used for adaptive learning storage that survives key-off but is faster than EEPROM) reports a check-sum or write fault.
Common causes
- high
NVRAM check-sum failure
One of the most commonly reported causes for this code — check this first.
Typical part cost: $440-2750
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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 P06B8 mean?
P06B8 means "Internal Control Module NVRAM Error". 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 P06B8?
nvram check-sum failure — 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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