DTC B1170: Gauge Control Module Lost Communication With the VSA/ABS Modulator-Control Unit (VSA/ABS 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
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Wait for 6 seconds or more.
- Check for DTCs with the HDS.
Is DTC B1170 indicated?
YES -Go to step 5.
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connection between the gauge control module and the VSA modulator-control unit. ■
- Check for VSA System DTCs with the HDS (see HOW TO USE THE HDS (HONDA DIAGNOSTIC SYSTEM)
).
Are there any DTCs indicated?
YES -Go to the indicated DTC's troubleshooting, then recheck.
NO -Go to step 6.
- Turn the ignition switch to LOCK (0).
- Disconnect gauge control module connector B (14P).
- Disconnect the VSA modulator-control unit 46P connector.
- Check for continuity between gauge control module connector B (14P) terminals No. 1 and No. 8 and VSA modulator-control unit (46P) connector terminals No. 38 and No. 39 respectively.Fig 1: Checking Continuity Between Body Ground & VSA Modulator-Control Unit 46P Connector Terminals No. 38/No. 39
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Replace the VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ), and recheck. 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. ■