SAE Standard Definition

U0010

CAN Bus CRC Check Failed #15

CAN Bus crc check failed on the vehicle communication network.

Serious Issue- Drive with caution, repair soon
Serious
Safe to drive professional-only Fix within 3 days
Estimated Cost (USD)$50 - $1,200
BudgetMajor
Estimated Labor~1.5 hours

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

Warning light(s) on
One or more systems not functioning
Possible intermittent faults

Common Causes

Wiring fault

HIGH

Communication bus wiring is damaged, shorted, or open.

Module fault

MEDIUM

A control module has an internal communication failure.

Low voltage

MEDIUM

Weak battery or charging system can cause communication errors.

Step-by-Step Diagnosis

1

Check battery

easy

Verify battery voltage is above 12.4V at rest and 13.5V+ running.

Tools:Multimeter
2

Full module scan

medium

Scan all modules to find which ones have communication errors.

Tools:Enhanced scanner
3

Professional diagnosis

professional

Network communication faults often require professional-level equipment.

Tools:Manufacturer scan tool

Frequently Asked Questions

Disclaimer

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.