Friday, August 14, 2020

2010 Acura Truck MDX V6-3.7L Page 65


DTC B1173:



Gauge Control Module Lost Communication with TPMS Control Unit (TPMS Message)



NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A See: Powertrain



Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting



- B-CAN System Diagnosis Test Mode A.



1. Clear the DTCs with the HDS.



2. Turn the ignition switch to LOCK (0), and then back to ON (II).



3. Wait for at least 6 seconds.



4. Check for DTCs with the HDS.



Is DTC B1173 indicated?



YES -



Go to step 5.



NO -



Intermittent failure, the system is OK at this time. Check for loose or poor connections between the gauge control module and the TPMS control



unit.?



5. Check for TPMS DTCs with the HDS.



Are there any DTCs indicated?



YES -



Go to and troubleshoot the indicated DTCs, then recheck.



NO -



Go to step 6.



6. Turn the ignition switch to LOCK (0).



7. Disconnect gauge control module connector A (12P).



8. Disconnect the TPMS control unit 20P connector.



9. Check for continuity between TPMS control unit 20P connector terminals No. 1 and No. 11 and gauge control module connector A (12P)



connector terminals No. 12 and No. 6 respectively.