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WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Check the vehicle battery condition first (see BATTERY TEST ).
This navigation DTC sets when a problem (open or short) is detected in the GA-Net BUS.
Check any official Honda service website for more service information about the navigation system.
Before you troubleshoot, make sure to follow the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

Clear the hard error code (see HOW TO CLEAR ERROR HISTORY ).
Turn the ignition switch to LOCK (0), and then back to ON (II).
Go into the Diagnostic Menu, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu (see SYSTEM DIAGNOSTIC MODE ).
Check the System Links.
Is the XM icon red?

YES -Go to step 5.

NO -Intermittent failure, the system is OK at this time.
Turn the ignition switch to LOCK (0).
Check the No. 5 (10 A) fuse in the under-dash fuse/relay box.
Is the fuse OK?

YES -Go to step 7.

NO -Replace the fuse, and recheck. If the fuse blows again, repair short in the wire between the under-dash fuse/relay box and the XM receiver.
Turn the ignition switch to ON (II).
Measure the voltage between XM receiver connector A (14P) terminals No. 1 and No. 11.

Fig 1: Measuring Voltage Between Connector A (14P) Terminals No. 1 And No. 11
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 10.

NO -Go to step 9.
Measure the voltage between XM receiver connector A (14P) terminals No. 1 and body ground.

Fig 2: Measuring Voltage Between Connector A (14P) Terminals No. 1 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Repair an open or high resistance in the wire between XM receiver connector A (14P) terminal No. 11 and body ground (G606) (see CONNECTOR TO FUSE/RELAY BOX INDEX ).

NO -Repair an open in the wire between the No. 5 (10 A) fuse in the under-dash fuse/relay box and XM receiver connector A (14P) terminal No. 1.
Turn the ignition switch to LOCK (0).
Disconnect audio-navigation unit connector D (14P) and XM receiver connector A (14P).
Check for continuity between XM receiver connector A (14P) terminal No. 2 and body ground.

Fig 3: Checking Continuity Between Connector A (14P) Terminal No. 2 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair a short in the wire between the XM receiver and the audio-navigation unit.

NO -Go to step 13.
Check for continuity between audio-navigation unit connector D (14P) terminal No. 2 and XM receiver connector A (14P) terminal No. 2.

Fig 4: Checking Continuity Between Connector D (14P) And Connector A (14P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 14.

NO -Repair an open in the wire between the audio-navigation unit and the XM receiver.
Check for continuity between body ground and XM receiver connector A (14P) terminals No. 9 and No. 10 individually.

Fig 5: Checking Continuity Between Body Ground And Connector A (14P) Terminals No. 9 And No. 10
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -There is a short to body ground in the wire(s) between the XM receiver and the audio-navigation unit. Replace the affected shielded harness.

NO -Go to step 15.

Check for continuity between the terminals of XM receiver connector A (14P) according to the table.

From terminal	To terminals
A3 (BRN)	A9 (GRN), A10 (RED)
A9 (GRN)	A10 (RED)

Fig 6: Identifying XM Receiver Connector A (14P)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity between any of the terminals?

YES -There is a short in the wires between the XM receiver and the audio-navigation unit. Replace the affected shielded harness.

NO -Go to step 16.

Connect audio-navigation unit connector D (14P) terminals No. 9 and No. 10 with a jumper wire.

Fig 7: Connecting Connector D (14P) Terminals No. 9 And No. 10 With Jumper Wire
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check for continuity between XM receiver connector A (14P) terminals No. 9 and No. 10.

Fig 8: Checking Continuity Between Connector A (14P) Terminals No. 9 And No. 10
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Replace the XM receiver (see ACURALINK CONTROL UNIT (XM RECEIVER) REMOVAL/INSTALLATION ).

NO -There is an open in the wire(s) between the XM receiver and the audio-navigation unit. Replace the affected shielded harness.