U0015
Medium Speed CAN Communication Bus (-) Open
U0015 is an OBD-II diagnostic trouble code meaning: Medium Speed CAN Communication Bus (-) Open. Common causes: mechanical damage to can bus wires, corrosion of contacts in connectors. Estimated repair cost: $6–56.
Symptoms
- Check Engine light comes on
- Incorrect operation of various vehicle systems
- Lost connection with diagnostic equipment
- Dashboard malfunctions
- Errors in other modules
Causes
- Mechanical damage to CAN bus wires
- Corrosion of contacts in connectors
- Malfunction of one of the modules on the CAN bus
- Problems with module power supply
- Open or short circuit in wiring harness
How to Fix
- Check the integrity of the CAN bus wires
- Inspect connectors for corrosion or damage
- Check power supply and grounding of modules
- Diagnose each module on the CAN bus
- Replace damaged wires or connectors
Related codes
Error U0015 by Vehicle Brand
FAQ
What does the U0015 code mean?
U0015 is an OBD-II diagnostic trouble code that indicates: Medium Speed CAN Communication Bus (-) Open
What causes a U0015 error code?
The most common causes of U0015 include: Mechanical damage to CAN bus wires; Corrosion of contacts in connectors; Malfunction of one of the modules on the CAN bus; Problems with module power supply.
How do I fix a U0015 diagnostic trouble code?
To fix U0015: Check the integrity of the CAN bus wires. Inspect connectors for corrosion or damage. Check power supply and grounding of modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0015?
Do not drive — repair immediately
How much does it cost to fix U0015?
The estimated repair cost for U0015 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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