U0024
Low Speed CAN Communication Bus (-) Open
U0024 is an OBD-II diagnostic trouble code meaning: Low Speed CAN Communication Bus (-) Open. Common causes: wire break in the can circuit (-), short circuit in can bus. Estimated repair cost: $6–56.
Symptoms
- Check Engine Light Is On
- Certain car systems do not work (climate control, airbags, etc.)
- Errors in other modules
- Intermittent operation of electronics
- Problems with diagnostics via OBD-II
Causes
- Wire break in the CAN circuit (-)
- Short circuit in CAN bus
- Damage to the module connector
- Malfunction of one of the network modules
- Contact corrosion
How to Fix
- Check the integrity of the CAN bus wires (-)
- Inspect the module connectors
- Check resistance in CAN circuit
- Check the voltage on the CAN bus
- Disable the modules one by one to find the faulty one
Related codes
Error U0024 by Vehicle Brand
FAQ
What does the U0024 code mean?
U0024 is an OBD-II diagnostic trouble code that indicates: Low Speed CAN Communication Bus (-) Open
What causes a U0024 error code?
The most common causes of U0024 include: Wire break in the CAN circuit (-); Short circuit in CAN bus; Damage to the module connector; Malfunction of one of the network modules.
How do I fix a U0024 diagnostic trouble code?
To fix U0024: Check the integrity of the CAN bus wires (-). Inspect the module connectors. Check resistance in CAN circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0024?
Yes, but get it checked soon
How much does it cost to fix U0024?
The estimated repair cost for U0024 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat