U0082
Vehicle Communication Bus F + Open
U0082 is an OBD-II diagnostic trouble code meaning: Vehicle Communication Bus F + Open. Common causes: physical damage to the can bus wiring, corroded or oxidized connectors. Estimated repair cost: $6–111.
Symptoms
- Check Engine light comes on
- Failure of several vehicle systems at the same time
- Incorrect dashboard readings
- Problems starting the engine
- Lost connection with diagnostic equipment
Causes
- Physical damage to the CAN bus wiring
- Corroded or oxidized connectors
- Malfunction of one of the modules in the network
- Problems with module power supply
- Incorrect connection of additional equipment
How to Fix
- Visual inspection of the CAN bus wiring for damage
- Checking the continuity and resistance of the CAN bus
- Diagnostics of communication quality between modules
- Checking power supply and grounding of modules
- Replacing damaged wiring sections or faulty modules
Related codes
Error U0082 by Vehicle Brand
FAQ
What does the U0082 code mean?
U0082 is an OBD-II diagnostic trouble code that indicates: Vehicle Communication Bus F + Open
What causes a U0082 error code?
The most common causes of U0082 include: Physical damage to the CAN bus wiring; Corroded or oxidized connectors; Malfunction of one of the modules in the network; Problems with module power supply.
How do I fix a U0082 diagnostic trouble code?
To fix U0082: Visual inspection of the CAN bus wiring for damage. Checking the continuity and resistance of the CAN bus. Diagnostics of communication quality between modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0082?
Do not drive — repair immediately
How much does it cost to fix U0082?
The estimated repair cost for U0082 is $6–111. Actual cost depends on your vehicle, location, and labor rates.
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