With seat ventilation
Is there continuity?
YES -
Check for a short to ground in the wire of the driver's seat subharness. If the harness is bad, repair it, if the harness is OK, replace the recline
motor/position sensor.?
NO -
Replace the power seat control unit.?
B1837
DTC Troubleshooting: B1837
DTC B1837:
Driving Position Memory Recall Timeout
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A See: Powertrain
Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting
- B-CAN System Diagnosis Test Mode A.
1. Clear the DTC with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Move the steering position to the full tilt up and full telescopic out positions with the power tilt/telescopic steering switch.
4. Move both power mirrors to the full up and full left positions with the power mirror switch.
5. Move the power seat to the full front up and full rear up positions, then slide the seat all the way back and completely recline the seat-back
backward with the power seat adjustment switch.
6. Put this seating position into memory with the driving position memory switch.
7. Manually move the seat away from the position just memorized.
8. Recall the memory position with the driving position memory switch.
9. Wait for 3 minutes.
10. Check for DTCs with the HDS.
Are any DTCs indicated?
