add Hyundai CAN FD fingerprinting note

andiradulescu · May 31, 2024 · f887b87 · f887b87
1 parent 0a43d82
commit f887b87
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/selfdrive/car/hyundai/values.py b/selfdrive/car/hyundai/values.py
@@ -648,6 +648,8 @@ def match_fw_to_car_fuzzy(live_fw_versions, vin, offline_fw_versions) -> set[str
 # TODO: there are date codes in the ABS firmware versions in hex
 DATE_FW_ECUS = [Ecu.fwdCamera]
 
+# Note: an ECU on CAN FD cars may sometimes send 0x30080aaaaaaaaaaa (flow control continue) while we
+# are attempting to query ECUs. This currently does not seem to affect fingerprinting from the camera
 FW_QUERY_CONFIG = FwQueryConfig(
   requests=[
     # TODO: add back whitelists