U0062
Vehicle Communication Bus D (-) High
U0062 is an OBD-II diagnostic trouble code meaning: Vehicle Communication Bus D (-) High. Common causes: open or short circuit in the negative line of the can bus, poor contact in bus connectors. Estimated repair cost: $6–56.
Symptoms
- Loss of communication between modules
- Inoperative or incorrectly functioning vehicle systems
- Check Engine Light Illuminates
- Problems starting the engine
- Dashboard malfunctions
Causes
- Open or short circuit in the negative line of the CAN bus
- Poor contact in bus connectors
- Fault in one of the modules connected to the bus
- Wiring harness damage
- Contact corrosion
How to Fix
- Check the integrity of the negative line of the CAN bus
- Inspect connectors and contacts for damage or corrosion
- Check the status of modules connected to the bus
- Replace damaged wires or connectors
- Flash or replace the faulty module if necessary
Related codes
Error U0062 by Vehicle Brand
FAQ
What does the U0062 code mean?
U0062 is an OBD-II diagnostic trouble code that indicates: Vehicle Communication Bus D (-) High
What causes a U0062 error code?
The most common causes of U0062 include: Open or short circuit in the negative line of the CAN bus; Poor contact in bus connectors; Fault in one of the modules connected to the bus; Wiring harness damage.
How do I fix a U0062 diagnostic trouble code?
To fix U0062: Check the integrity of the negative line of the CAN bus. Inspect connectors and contacts for damage or corrosion. Check the status of modules connected to the bus. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0062?
Do not drive — repair immediately
How much does it cost to fix U0062?
The estimated repair cost for U0062 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat