diff --git a/generator/sections/gen-section-pci-bus.c b/generator/sections/gen-section-pci-bus.c
new file mode 100644
index 0000000..9afd9ad
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+++ b/generator/sections/gen-section-pci-bus.c
@@ -0,0 +1,38 @@
+/**
+ * Functions for generating psuedo-random CPER PCI/PCI-X bus error sections.
+ * 
+ * Author: Lawrence.Tang@arm.com
+ **/
+
+#include <stdlib.h>
+#include "../../edk/BaseTypes.h"
+#include "../gen-utils.h"
+#include "gen-sections.h"
+
+//Generates a single psuedo-random PCI/PCI-X bus error section, saving the resulting address to the given
+//location. Returns the size of the newly created section.
+size_t generate_section_pci_bus(void** location)
+{
+    //Create random bytes.
+    int size = 208;
+    UINT8* bytes = generate_random_bytes(size);
+    
+    //Set reserved areas to zero.
+    UINT64* validation = (UINT64*)bytes;
+    *validation &= 0x1FF; //Validation 9-63
+    UINT32* reserved = (UINT32*)(bytes + 20);
+    *reserved = 0;
+    UINT64* bus_command = (UINT64*)(bytes + 40);
+    *bus_command &= 0x100000000000000; //Bus command bytes bar bit 56.
+
+    //Fix values that could be above range.
+    UINT16* error_type = (UINT16*)(bytes + 16);
+    *error_type = rand() % 8;
+
+    //Fix error status.
+    create_valid_error_section(bytes + 8);
+
+    //Set return values, exit.
+    *location = bytes;
+    return size;
+}
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