From ff848021281871450f70effad807a797df06bcec Mon Sep 17 00:00:00 2001
From: Ahmed Sheimy <eng.sheimy@gmail.com>
Date: Wed, 26 Oct 2022 23:49:31 +0400
Subject: [PATCH 1/3] Update OBD2.cpp

this lib is not working with all car so we have to modify the can ID to send the CAN obd request correctrlly
---
 src/OBD2.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/OBD2.cpp b/src/OBD2.cpp
index 8fd329c..62bed6e 100644
--- a/src/OBD2.cpp
+++ b/src/OBD2.cpp
@@ -709,7 +709,7 @@ int OBD2Class::clearAllStoredDTC()
         if (_useExtendedAddressing) {
             CAN.beginExtendedPacket(0x18db33f1, 8);
         } else {
-            CAN.beginPacket(0x7df, 8);
+            CAN.beginPacket(0x7e0, 8);
         }
         CAN.write(0x00); // number of additional bytes
         CAN.write(0x04); // Mode / Service 4, for clearing DTC
@@ -736,7 +736,7 @@ int OBD2Class::pidRead(uint8_t mode, uint8_t pid, void* data, int length)
     if (_useExtendedAddressing) {
       CAN.beginExtendedPacket(0x18db33f1, 8);
     } else {
-      CAN.beginPacket(0x7df, 8);
+      CAN.beginPacket(0x7e0, 8);
     }
     CAN.write(0x02); // number of additional bytes
     CAN.write(mode);
@@ -772,7 +772,7 @@ int OBD2Class::pidRead(uint8_t mode, uint8_t pid, void* data, int length)
         if (_useExtendedAddressing) {
           CAN.beginExtendedPacket(0x18db33f1, 8);
         } else {
-          CAN.beginPacket(0x7df, 8);
+          CAN.beginPacket(0x7e0, 8);
         }
         CAN.write(0x30);
         CAN.endPacket();

From a7ed2edfefb56660509bb0652bb18094a340d225 Mon Sep 17 00:00:00 2001
From: Ahmed Sheimy <eng.sheimy@gmail.com>
Date: Thu, 27 Oct 2022 08:54:05 +0400
Subject: [PATCH 2/3] Update OBD2.h

add def for CAN_ID that can be changed if this one dos not work for your car
---
 src/OBD2.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/OBD2.h b/src/OBD2.h
index 0605763..26e4694 100644
--- a/src/OBD2.h
+++ b/src/OBD2.h
@@ -3,6 +3,7 @@
 
 #ifndef OBD2_H
 #define OBD2_H
+#define CAN_ID 0x7E0
 
 enum {
   PIDS_SUPPORT_01_20                                = 0x00,

From 773d6840a6c6b588e9d71bfb92cc86eebfc0fd8e Mon Sep 17 00:00:00 2001
From: Ahmed Sheimy <eng.sheimy@gmail.com>
Date: Thu, 27 Oct 2022 08:55:12 +0400
Subject: [PATCH 3/3] Update OBD2.cpp

---
 src/OBD2.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/OBD2.cpp b/src/OBD2.cpp
index 62bed6e..52ef999 100644
--- a/src/OBD2.cpp
+++ b/src/OBD2.cpp
@@ -709,7 +709,7 @@ int OBD2Class::clearAllStoredDTC()
         if (_useExtendedAddressing) {
             CAN.beginExtendedPacket(0x18db33f1, 8);
         } else {
-            CAN.beginPacket(0x7e0, 8);
+            CAN.beginPacket(CAN_ID, 8);
         }
         CAN.write(0x00); // number of additional bytes
         CAN.write(0x04); // Mode / Service 4, for clearing DTC
@@ -736,7 +736,7 @@ int OBD2Class::pidRead(uint8_t mode, uint8_t pid, void* data, int length)
     if (_useExtendedAddressing) {
       CAN.beginExtendedPacket(0x18db33f1, 8);
     } else {
-      CAN.beginPacket(0x7e0, 8);
+      CAN.beginPacket(CAN_ID, 8);
     }
     CAN.write(0x02); // number of additional bytes
     CAN.write(mode);
@@ -772,7 +772,7 @@ int OBD2Class::pidRead(uint8_t mode, uint8_t pid, void* data, int length)
         if (_useExtendedAddressing) {
           CAN.beginExtendedPacket(0x18db33f1, 8);
         } else {
-          CAN.beginPacket(0x7e0, 8);
+          CAN.beginPacket(CAN_ID, 8);
         }
         CAN.write(0x30);
         CAN.endPacket();