commaai / commaai/opendbc

2021 Subaru Ascent (Canada) - Vehicle not recognized - FW versions attached

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bug car
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Description

### Describe the car bug

2021 Subaru Ascent (Canada)

Hardware:
Comma 4
Subaru Harness A

Software:
openpilot nightly-dev

Issue:
Vehicle is not recognized and remains in Dashcam Mode with "Vehicle not recognized".

VIN prefix:
4S4WMAAD

Firmware versions collected:

fwdCamera:
0000657E1F402027

engine:
D92CA04007

transmission:
01FEE90000

eps:
05C0D000

abs:
A5210200

Additional notes:

* Tested on official nightly-dev
* Tested with custom OpenDBC fingerprint additions
* CAN traffic is present but vehicle remains unrecognized
* Vehicle is a Canadian-market 2021 Subaru Ascent

Can support for this firmware set be added or investigated?

### Provide a route where the issue occurs

706bc4e745803fba/00000001--e9ed018c63

### openpilot version

0.11.2 nightly-dev c12860e52e5c2bf33bce2937a29fc517a53b9911

### Additional info

_No response_

Contributor guide

No contributing guide indexed for this repository

Research direction

No source file or test is named. Start by tracing vehicle-fingerprint lookup for the supplied VIN prefix and firmware values, then compare existing Subaru entries; done means this vehicle is recognized instead of entering Dashcam Mode, with the supplied route covered.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
embedded-iot, reverse-engineering
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
48/100

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