U0096
Vehicle Communication Bus H (+) High
U0096 is an OBD-II diagnostic trouble code meaning: Vehicle Communication Bus H (+) High. Common causes: can h+ bus wire break, short circuit to ground or power. Estimated repair cost: $13–89.
Symptoms
- Check Engine light comes on
- Failure of individual vehicle systems
- Unstable operation of the dashboard
- Problems starting the engine
- Communication errors between modules
Causes
- CAN H+ bus wire break
- Short circuit to ground or power
- Oxidation of contacts in connectors
- Malfunction of one of the modules connected to the CAN network
- Wiring harness damage
How to Fix
- Visual inspection of CAN bus wiring
- Checking the resistance and integrity of the CAN H+ line
- Checking contacts in connectors for oxidation
- Diagnostics of connected control modules
- Replacing damaged wires or connectors
Related codes
Error U0096 by Vehicle Brand
FAQ
What does the U0096 code mean?
U0096 is an OBD-II diagnostic trouble code that indicates: Vehicle Communication Bus H (+) High
What causes a U0096 error code?
The most common causes of U0096 include: CAN H+ bus wire break; Short circuit to ground or power; Oxidation of contacts in connectors; Malfunction of one of the modules connected to the CAN network.
How do I fix a U0096 diagnostic trouble code?
To fix U0096: Visual inspection of CAN bus wiring. Checking the resistance and integrity of the CAN H+ line. Checking contacts in connectors for oxidation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0096?
Limited driving only, diagnose soon
How much does it cost to fix U0096?
The estimated repair cost for U0096 is $13–89. Actual cost depends on your vehicle, location, and labor rates.
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