Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r06477e29097a60ca81d5d9382c4a773d30dedf69 -r43e59e505bbea87c76822c51a3273eec3f4addaa
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 06477e29097a60ca81d5d9382c4a773d30dedf69)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 43e59e505bbea87c76822c51a3273eec3f4addaa)
@@ -1568,10 +1568,9 @@
  * @details Inputs: none
  * @details Outputs: DG start/stop trimmer heater command msg constructed and queued.
  * @param start TRUE indicates start heater, FALSE indicates stop heater
- * @param trimmerHtrTemp target temperature for trimmer heater
  * @return TRUE if msg successfully queued for transmit, FALSE if not
  *************************************************************************/
-BOOL sendDGStartStopTrimmerHeaterCommand( BOOL start, F32 trimmerHtrTemp )
+BOOL sendDGStartStopTrimmerHeaterCommand( BOOL start )
 {
     BOOL result;
     MESSAGE_T msg;
@@ -1580,11 +1579,9 @@
     // Create a message record
     blankMessage( &msg );
     msg.hdr.msgID = MSG_ID_DG_START_STOP_TRIMMER_HEATER_CMD;
-    msg.hdr.payloadLen = sizeof( BOOL ) + sizeof( F32 );
+    msg.hdr.payloadLen = sizeof( BOOL );
 
     memcpy( payloadPtr, &start, sizeof( BOOL ) );
-    payloadPtr += sizeof( BOOL );
-    memcpy( payloadPtr, &trimmerHtrTemp, sizeof( F32 ) );
 
     // Serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
     result = serializeMessage( msg, COMM_BUFFER_OUT_CAN_HD_2_DG, ACK_REQUIRED );