DTC B1805: Power Seat Control Unit Lost Communication with Gauge Control Module (VSP/NE Message) DTC B1808: Power Seat Control Unit Lost Communication with Gauge Control Module (A/T 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 at least 6 seconds.
- Check for DTCs with the HDS.
Is DTC B1805 and/or B1808 indicated?
YES -Go to step 5.
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections between the power seat control unit and the gauge control module.
- Check for DTCs with the HDS.
Are DTCs B1011, B1060, B1205, B1805, B1808, B2106, and B2160 also indicated?
YES -Do the gauge control module input test (see GAUGE CONTROL MODULE REPLACEMENT ).
NO -Replace the power seat control unit.