DTC B1173: Gauge Control Module Lost Communication with TPMS Control Unit (TPMS Message)

WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: 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 ).

Clear the DTCs with the HDS.
Turn the ignition switch OFF, and then back ON (II).
Check for DTCs with the HDS.
Is DTC B1173 indicated?
1. YES - Go to step 4.
2. NO - Intermittent failure, the F-CAN communication line is OK at this time. Check for loose or poor connections. If the connections are good, check the battery condition (see BATTERY TEST ), and the charging system.
Check for DTCs in the TPMS with the HDS.
Are any DTCs indicated?
1. YES - Go to the TPMS indicated DTC's troubleshooting.
2. NO - Go to step 5.
Do the gauge control module input test (see GAUGE CONTROL MODULE INPUT TEST ).
Are all inputs OK?
1. YES - Go to step 6.
2. NO - Repair the faulty input, then recheck the DTCs.
Substitute a known-good gauge control module.
Clear the DTCs with the HDS.
Turn the ignition switch OFF, and then back ON (II).
Check for DTCs with the HDS.
Is DTC B1173 indicated?
1. YES - Check for loose or poor connections at the TPMS control unit. If continuities are good, replace the TPMS control unit.
2. NO - The original gauge control module is faulty; replace it (see GAUGE CONTROL MODULE REPLACEMENT ).