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

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Honda Ridgeline, 2013 Honda Ridgeline, 2012 Honda Ridgeline, 2011 Honda Ridgeline, and 2010 Honda Ridgeline. 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 ).
  1. Clear the DTCs with the HDS.
  2. Turn the ignition switch to LOCK (0) and then back to ON (II).
  3. Wait for 6 seconds or more.
  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.■

  5. Check for TPMS DTCs with the HDS (see GENERAL TROUBLESHOOTING INFORMATION ).

    Are there any DTCs indicated? 

    YES  -Go to the indicated DTC's troubleshooting, then recheck.

    NO  -Go to step 6.

  6. Turn the ignition switch to LOCK (0).
  7. Disconnect gauge control module connector B (14P).
  8. Disconnect the TPMS control unit connector B (20P).
  9. Check for continuity between gauge control module connector B (14P) terminals No. 1 and No. 8 and the TPMS control unit connector B (20P) terminals No. 10 and No. 19 respectively.
    Fig 1: Checking Continuity Between Gauge Control Module Connector B (14P) Terminals No. 1/No. 8 & The Tpms Control Unit Connector B (20P) Terminals No. 10/No. 19 Respectively
    G00507547Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Substitute a known-good TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT ), and recheck. If the indication goes away, replace the original TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT ). If the DTC is still present, replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).■

    NO  -Repair an open or high resistance in the wire.■