1 files changed, 2 insertions, 0 deletions
diff --git a/src/obd2/obd2.h b/src/obd2/obd2.h
index 411170da..74459520 100644
--- a/src/obd2/obd2.h
+++ b/src/obd2/obd2.h
@@ -112,6 +112,8 @@ typedef enum {
 
 typedef struct {
     IsoTpHandler isotp_handler;
+    // TODO the Handle may need to keep the original request, otherwise we can't
+    // compare an incoming CAN message to see if it matches the service / PID!
     DiagnosticRequestType type;
     DiagnosticResponseReceived callback;
     DiagnosticMilStatusReceived mil_status_callback;