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Home >> Honda >> 2013 >> Ridgeline RTL >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Under-Hood Fuse/Relay Box >> DTC Troubleshooting >> DTC B1062: Relay Control Module Lost Communication With Combination Switch Control Unit (Headlight Switch Message); DTC B1063: Relay Control Module Lost Communication With Combination Switch Control Unit (Wiper Switch Message)
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DTC B1062: Relay Control Module Lost Communication With Combination Switch Control Unit (Headlight Switch Message); DTC B1063: Relay Control Module Lost Communication With Combination Switch Control Unit (Wiper Switch Message)

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 atleast 6 seconds.
  4. Check for DTCs with the HDS.

    Are DTCs B1062 and/or B1063 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 DTCs with the HDS.

    B1062: Are DTCs B1007 and B1155 also indicated? B1063: Is DTC B1156 also indicated? 

    YES  -Do the combination switch control unit input test (see COMBINATION SWITCH CONTROL UNIT INPUT TEST ). ■

    NO  -Do the relay control module input test (see RELAY CONTROL MODULE INPUT TEST ). ■