commaai / commaai/opendbc

Hyundai CAN FD: match cluster speed

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bug car hyundai
Dominant language
Python
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Avg merge
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Merged PRs (30d)
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Description

### Describe the bug

There is a difference between the vehicle's actual speed and the speed displayed in C3X of approximately 5 km/h.

### Which car does this affect?

Hyundai KONA_EV_2ND_GEN (Korean 2023)

### Provide a route where the issue occurs

1618132d68afc876|2023-10-08--11-59-19--10

### openpilot version

master-ci 0.9.5

### Additional info

_No response_

Contributor guide

No contributing guide indexed for this repository

Research direction

Start with route 1618132d68afc876|2023-10-08--11-59-19--10 for the Korean 2023 Hyundai KONA_EV_2ND_GEN and inspect the CAN FD data related to vehicle speed. Compare the vehicle's actual speed with the speed displayed in C3X; the work is done when the discrepancy of approximately 5 km/h is resolved.

Written by the indexing model from the issue text.

Assessment

Domain
autonomous-driving, reverse-engineering
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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