DTC B1183: Gauge Control Module Lost Communication with the EPS Control Unit (EPS 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 OFF, and then back ON (II).
- Wait for 6 seconds or more.
- Check for DTCs with the HDS.
Is DTC B1183 indicated?
YES -Go to step 5.
NO -Intermittent failure. The gauge control module (tach) is OK at this time. Check for loose or poor connections.
- Check for DTCs with the HDS.
Are DTCs B1168, B1169, B1178, B1183, B1184, B1185, and B1187 all indicated at the same time?
YES -Troubleshoot DTC B1178.
NO -Go to step 6.
- Check for EPS DTCs with the HDS.
Are any DTCs indicated?
YES -Troubleshoot the indicated DTC, then recheck.
NO -Go to step 7.
- Turn the ignition switch OFF.
- Disconnect the GAUGE CONTROL MODULE (TACH) 36P connector.
- Disconnect the EPS control unit 28P connector (see EPS CONTROL UNIT REMOVAL/INSTALLATION ).
- Check for continuity between the GAUGE CONTROL MODULE (TACH) 36P connector No. 1 and No. 19 and EPS control unit 28P connector No. 1 and No. 15 terminals individually.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Are there continuity?
YES -Substitute a known-good EPS control unit (see EPS CONTROL UNIT REMOVAL/INSTALLATION ) and recheck. If DTC B1183 is still indicated, replace the gauge control module (tach).
NO -Repair an open in the wire.