DTC B1705: Display Panel Control Unit Lost Communication with the Gauge Control Module (Engine Temperature Signal)

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Display panel control unit DTCs may not clear using the HDS. If the DTCs will not clear, manually reset the display panel control unit (see RESETTING THE DISPLAY PANEL ).
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis test mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

Turn the ignition switch to ON (II).
Clear for DTC with the HDS.
Turn the ignition switch to LOCK (0), and then back ON (II).
Check for DTCs with the HDS.
Is DTC B1705 indicated?

YES -Go to step 5.

NO -Intermittent failure. The display panel control unit is OK at this time. Check loose and poor connections.
Check for DTCs with the HDS.
Are any of the following DTCs indicated: B1008, B1011, B1032, B1060, B1061, B1805, or B1808?

YES -Go to the Gauge Control Module Input Test (see GAUGE CONTROL MODULE INPUT TEST ).

NO -Replace the display panel control unit.