B0550
Odometer Circuit General Memory Malfunction
B0550 is an OBD-II diagnostic trouble code meaning: Odometer Circuit General Memory Malfunction. Common causes: open or short circuit in odometer wiring harness, malfunction of the odometer sensor or module. Estimated repair cost: $56–167.
Symptoms
- Incorrect mileage display
- No odometer reading
- Odometer flashing or reset
Causes
- Open or short circuit in odometer wiring harness
- Malfunction of the odometer sensor or module
- Odometer module memory problems
- Corrosion of contacts or connectors
How to Fix
- Check the wiring harness for breaks or damage
- Inspect contacts and connectors for corrosion
- Check the sensor and odometer module for serviceability
- Replace faulty components if necessary
Related codes
Error B0550 by Vehicle Brand
FAQ
What does the B0550 code mean?
B0550 is an OBD-II diagnostic trouble code that indicates: Odometer Circuit General Memory Malfunction
What causes a B0550 error code?
The most common causes of B0550 include: Open or short circuit in odometer wiring harness; Malfunction of the odometer sensor or module; Odometer module memory problems; Corrosion of contacts or connectors.
How do I fix a B0550 diagnostic trouble code?
To fix B0550: Check the wiring harness for breaks or damage. Inspect contacts and connectors for corrosion. Check the sensor and odometer module for serviceability. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0550?
Limited driving only, diagnose soon
How much does it cost to fix B0550?
The estimated repair cost for B0550 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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