Error code
OBD2 U0025
OBD2U0025
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Low Speed CAN Communication Bus (Low).
Severity
highDriving may be possible but the issue can cause other systems to malfunction, potentially leading to safety risks.
Summary
U0025 indicates low voltage on the Low Speed CAN Communication Bus (-) data line, which is crucial for communication between various vehicle modules.
Common Causes
- Loose or corroded connectors
- Faulty control module
Fixes
FAQ
What does U0025 mean?
U0025 indicates a low voltage issue on the Low Speed CAN Communication Bus, which is essential for communication between vehicle modules.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus (Performance)
- U0003High Speed CAN Communication Bus (Open)
- U0004High Speed CAN Communication Bus (Low)
- U0005High Speed CAN Communication Bus (High)
- U0006High Speed CAN Communication Bus (Open)
- U0007High Speed CAN Communication Bus (Low)
- U0008High Speed CAN Communication Bus (High)
- U0009High Speed CAN Communication Bus (shorted to Bus)
- U0010Medium Speed CAN Communication Bus
- U0011Medium Speed CAN Communication Bus (Performance)
- U0012Medium Speed CAN Communication Bus (Open)