U0092
Vehicle Communication Bus H
U0092 is an OBD-II diagnostic trouble code meaning: Vehicle Communication Bus H. Common causes: open or short circuit in bus h circuit, corrosion of contacts or connectors. Estimated repair cost: $6–56.
Symptoms
- The Check Engine light comes on
- Incorrect operation of various vehicle systems
- Lost connection with diagnostic equipment
- Dashboard malfunctions
- Problems starting the engine
Causes
- Open or short circuit in bus H circuit
- Corrosion of contacts or connectors
- Fault in one of the modules connected to the bus
- Problems with module power supply
- Software failure in one of the control units
How to Fix
- Check the integrity of the wiring and contacts of bus H
- Inspect connectors for corrosion or damage
- Check power supply and grounding of connected modules
- Disable the modules one by one to identify the faulty one.
- Update control unit software
Related codes
Error U0092 by Vehicle Brand
FAQ
What does the U0092 code mean?
U0092 is an OBD-II diagnostic trouble code that indicates: Vehicle Communication Bus H
What causes a U0092 error code?
The most common causes of U0092 include: Open or short circuit in bus H circuit; Corrosion of contacts or connectors; Fault in one of the modules connected to the bus; Problems with module power supply.
How do I fix a U0092 diagnostic trouble code?
To fix U0092: Check the integrity of the wiring and contacts of bus H. Inspect connectors for corrosion or damage. Check power supply and grounding of connected modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0092?
Limited driving only, diagnose soon
How much does it cost to fix U0092?
The estimated repair cost for U0092 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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