From 0a1c00fbb3dc20a94ee4d8d96bf83cc232e7168b Mon Sep 17 00:00:00 2001
From: Shane Smiskol <shane@smiskol.com>
Date: Sun, 17 Sep 2023 23:02:53 -0700
Subject: [PATCH] limit to max chunks seen (3)

---
 selfdrive/car/toyota/values.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/selfdrive/car/toyota/values.py b/selfdrive/car/toyota/values.py
index 8e5cd4f010..5b1fd0d2dd 100644
--- a/selfdrive/car/toyota/values.py
+++ b/selfdrive/car/toyota/values.py
@@ -353,7 +353,7 @@ def match_fw_to_car_fuzzy(live_fw_versions) -> Set[str]:
 SHORT_FW_PATTERN = re.compile(b'[A-Z0-9](?P<platform>[A-Z0-9]{2})(?P<major_version>[A-Z0-9]{2})(?P<sub_version>[A-Z0-9]{3})')
 MEDIUM_FW_PATTERN = re.compile(b'(?P<part>[A-Z0-9]{5})(?P<platform>[A-Z0-9]{2})(?P<major_version>[A-Z0-9]{1})(?P<sub_version>[A-Z0-9]{2})')
 LONG_FW_PATTERN = re.compile(b'(?P<part>[A-Z0-9]{5})(?P<platform>[A-Z0-9]{2})(?P<major_version>[A-Z0-9]{2})(?P<sub_version>[A-Z0-9]{3})')
-FW_LEN_CODE = re.compile(b'^[\x01-\x05]')  # 5 chunks max. highest seen is 3 chunks, 16 bytes each
+FW_LEN_CODE = re.compile(b'^[\x01-\x03]')  # highest seen is 3 chunks, 16 bytes each
 FW_CHUNK_LEN = 16
 
 # List of ECUs expected to have platform codes