How to display DTCs on the gauge control module
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.
Enter B-CAN System Diagnosis Test Mode 1 . While in Test Mode 1, the DTCs which have been detected and stored individually by various B-CAN (Body-controller Area Network) units will be shown one by one on the multi-information display (MID) when communication between the MICU and the gauge control module is normal. To scroll through the DTCs, press the SEL/RESET button.
The unit that has stored the code can be identified by the number shown on the multi-information display (MID).
| Unit | Code (Control Unit I.D. Number) |
|---|---|
| MICU | 10 |
| Relay control module | 11 |
| Rear MICU | 12 |
| Power tailgate control unit | 31 |
| Driver's MPCS unit | 35 |
| Gauge control module | 50 |
| Climate control unit | 51 |
| Audio-navigation unit | 54 |
| Combination switch control unit | 70 |
| HandsFreeLink control unit | 94 |
| Power seat control unit | 95 |
| Immobilizer-keyless control unit | 96 |
| AcuraLink control unit (XM receiver) | 97 |
| BSI control unit | 9F |