diff --git a/obc/drivers/rm46/obc_sci_io.c b/obc/drivers/rm46/obc_sci_io.c
index 5d487a11b..a84376200 100644
--- a/obc/drivers/rm46/obc_sci_io.c
+++ b/obc/drivers/rm46/obc_sci_io.c
@@ -95,7 +95,7 @@ obc_error_code_t sciReadBytes(uint8_t *buf, size_t numBytes, TickType_t uartMute
   return errCode;
 }
 
-obc_error_code_t sciSendBytes(uint8_t *buf, size_t numBytes, TickType_t uartMutexTimeoutTicks, 
+obc_error_code_t sciSendBytes(uint8_t *buf, size_t numBytes, TickType_t uartMutexTimeoutTicks,
                               size_t transferCompleteTimeoutTicks, sciBASE_t *sciReg) {
   obc_error_code_t errCode;
   if (!(sciReg == scilinREG || sciReg == sciREG)) {
@@ -135,7 +135,7 @@ obc_error_code_t sciSendBytes(uint8_t *buf, size_t numBytes, TickType_t uartMute
   }
 
   xSemaphoreGive(mutex);
-  return OBC_ERR_CODE_SUCCESS;
+  return errCode;
 }
 
 void sciNotification(sciBASE_t *sci, uint32 flags) {
diff --git a/obc/drivers/vn100/vn100.c b/obc/drivers/vn100/vn100.c
index 2b7e3063d..d6bec7895 100644
--- a/obc/drivers/vn100/vn100.c
+++ b/obc/drivers/vn100/vn100.c
@@ -50,7 +50,8 @@ void initVn100(void) {
 obc_error_code_t vn100ResetModule(void) {
   obc_error_code_t errCode;
   unsigned char buf[] = "$VNRST*4D\r\n";
-  RETURN_IF_ERROR_CODE(sciSendBytes(buf, (sizeof(buf) - 1), MUTEX_TIMEOUT, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
+  RETURN_IF_ERROR_CODE(
+      sciSendBytes(buf, (sizeof(buf) - 1), MUTEX_TIMEOUT, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
   return OBC_ERR_CODE_SUCCESS;
 }
 
@@ -99,7 +100,8 @@ obc_error_code_t vn100SetBaudrate(uint32_t baudrate) {
 
   size_t numBytes = headerLength + baudrateLength + checksumLength;
 
-  RETURN_IF_ERROR_CODE(sciSendBytes(buf, numBytes, MUTEX_TIMEOUT, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
+  RETURN_IF_ERROR_CODE(
+      sciSendBytes(buf, numBytes, MUTEX_TIMEOUT, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
   sciSetBaudrate(UART_VN100_REG, baudrate);
   return OBC_ERR_CODE_SUCCESS;
 }
@@ -127,7 +129,8 @@ obc_error_code_t vn100SetOutputRate(uint32_t outputRateHz) {
 
   size_t numBytes = headerLength + freqLength + checksumLength;
 
-  RETURN_IF_ERROR_CODE(sciSendBytes(buf, numBytes, MUTEX_TIMEOUT, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
+  RETURN_IF_ERROR_CODE(
+      sciSendBytes(buf, numBytes, MUTEX_TIMEOUT, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
   return OBC_ERR_CODE_SUCCESS;
 }
 
@@ -136,14 +139,14 @@ obc_error_code_t vn100StartBinaryOutputs(void) {
      Initialized to start with an output rate of 10Hz */
   obc_error_code_t errCode;
   RETURN_IF_ERROR_CODE(sciSendBytes((unsigned char*)(START_BINARY_OUTPUTS), (sizeof(START_BINARY_OUTPUTS) - 1),
-                                     portMAX_DELAY, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
+                                    portMAX_DELAY, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
   return OBC_ERR_CODE_SUCCESS;
 }
 
 obc_error_code_t vn100StopBinaryOutputs(void) {
   obc_error_code_t errCode;
   RETURN_IF_ERROR_CODE(sciSendBytes((unsigned char*)(STOP_BINARY_OUTPUTS), (sizeof(STOP_BINARY_OUTPUTS) - 1),
-                                     portMAX_DELAY, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
+                                    portMAX_DELAY, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
   return OBC_ERR_CODE_SUCCESS;
 }
 
@@ -164,13 +167,15 @@ obc_error_code_t vn100ReadBinaryOutputs(vn100_binary_packet_t* parsedPacket) {
 obc_error_code_t vn100PauseAsync(void) {
   obc_error_code_t errCode;
   unsigned char command[] = "$VNASY,0*XX\r\n";
-  RETURN_IF_ERROR_CODE(sciSendBytes(command, (sizeof(command) - 1), MUTEX_TIMEOUT, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
+  RETURN_IF_ERROR_CODE(sciSendBytes(command, (sizeof(command) - 1), MUTEX_TIMEOUT,
+                                    pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
   return OBC_ERR_CODE_SUCCESS;
 }
 
 obc_error_code_t vn100ResumeAsync(void) {
   obc_error_code_t errCode;
   unsigned char command[] = "$VNASY,1*XX\r\n";
-  RETURN_IF_ERROR_CODE(sciSendBytes(command, (sizeof(command) - 1), MUTEX_TIMEOUT, pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
+  RETURN_IF_ERROR_CODE(sciSendBytes(command, (sizeof(command) - 1), MUTEX_TIMEOUT,
+                                    pdMS_TO_TICKS(SCI_SEMAPHORE_TIMEOUT_MS), UART_VN100_REG));
   return OBC_ERR_CODE_SUCCESS;
 }
diff --git a/obc/modules/comms_link_mgr/comms_manager.c b/obc/modules/comms_link_mgr/comms_manager.c
index d074f3f52..40f40a589 100644
--- a/obc/modules/comms_link_mgr/comms_manager.c
+++ b/obc/modules/comms_link_mgr/comms_manager.c
@@ -391,7 +391,8 @@ static obc_error_code_t handleSendingConnState(void) {
   }
   obc_error_code_t errCode;
 #if COMMS_PHY == COMMS_PHY_UART
-  RETURN_IF_ERROR_CODE(sciSendBytes(connCmdPkt.data, (uint32_t)connCmdPkt.length, portMAX_DELAY, pdMS_TO_TICKS(100), UART_PRINT_REG));
+  RETURN_IF_ERROR_CODE(
+      sciSendBytes(connCmdPkt.data, (uint32_t)connCmdPkt.length, portMAX_DELAY, pdMS_TO_TICKS(100), UART_PRINT_REG));
 #else
   RETURN_IF_ERROR_CODE(rffm6404ActivateTx(RFFM6404_VAPC_REGULAR_POWER_VAL));
   RETURN_IF_ERROR_CODE(
@@ -410,7 +411,8 @@ static obc_error_code_t handleSendingDiscState(void) {
   }
   obc_error_code_t errCode;
 #if COMMS_PHY == COMMS_PHY_UART
-  RETURN_IF_ERROR_CODE(sciSendBytes(discCmdPkt.data, discCmdPkt.length, portMAX_DELAY, pdMS_TO_TICKS(100), UART_PRINT_REG));
+  RETURN_IF_ERROR_CODE(
+      sciSendBytes(discCmdPkt.data, discCmdPkt.length, portMAX_DELAY, pdMS_TO_TICKS(100), UART_PRINT_REG));
 #else
   RETURN_IF_ERROR_CODE(rffm6404ActivateTx(RFFM6404_VAPC_REGULAR_POWER_VAL));
   RETURN_IF_ERROR_CODE(cc1120Send(discCmdPkt.data, discCmdPkt.length, CC1120_TX_FIFO_EMPTY_SEMAPHORE_TIMEOUT));
@@ -429,7 +431,8 @@ static obc_error_code_t handleSendingAckState(void) {
   obc_error_code_t errCode;
 
 #if COMMS_PHY == COMMS_PHY_UART
-  RETURN_IF_ERROR_CODE(sciSendBytes(ackCmdPkt.data, ackCmdPkt.length, portMAX_DELAY, pdMS_TO_TICKS(100), UART_PRINT_REG));
+  RETURN_IF_ERROR_CODE(
+      sciSendBytes(ackCmdPkt.data, ackCmdPkt.length, portMAX_DELAY, pdMS_TO_TICKS(100), UART_PRINT_REG));
 #else
   RETURN_IF_ERROR_CODE(rffm6404ActivateTx(RFFM6404_VAPC_REGULAR_POWER_VAL));
   RETURN_IF_ERROR_CODE(cc1120Send(ackCmdPkt.data, ackCmdPkt.length, CC1120_TX_FIFO_EMPTY_SEMAPHORE_TIMEOUT));