U0010
CAN Bus CRC Check Failed #15
CAN Bus crc check failed on the vehicle communication network.
A crc check failed has been detected on the vehicle communication network. Network codes typically require professional diagnosis with a scan tool capable of reading all vehicle modules.
Symptoms
Common Causes
Wiring fault
HIGHCommunication bus wiring is damaged, shorted, or open.
Module fault
MEDIUMA control module has an internal communication failure.
Low voltage
MEDIUMWeak battery or charging system can cause communication errors.
Step-by-Step Diagnosis
Check battery
easyVerify battery voltage is above 12.4V at rest and 13.5V+ running.
Full module scan
mediumScan all modules to find which ones have communication errors.
Professional diagnosis
professionalNetwork communication faults often require professional-level equipment.
Frequently Asked Questions
The information on this page is provided for general educational and reference purposes only. ErrorCodes is not a substitute for professional automotive diagnosis or repair. Diagnostic trouble codes indicate areas for further investigation and do not definitively identify the failed component. The same code can have different causes depending on your specific vehicle, its history, and conditions. Always consult a qualified, certified mechanic before performing repairs. ErrorCodes assumes no liability for any repairs made based on information found on this site.