DTC B1837: Memory Position Calling Timeout Acura TL IV facelift

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), or press the engine start/stop button to select the OFF mode and then the ON mode.
3. Move both power mirrors to the full up and full left positions with the power mirror switch.
4. 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.
5. Set the seating position into memory by pressing either the Driver 1 or the Driver 2 position memory switch.
6. Using the power seat switches, move the seat away from the position just memorized.
7. Recall the memory position with the driving position memory switch.
8. Wait for 2 minutes.
9. Check for DTCs with the HDS. Are any DTCs indicated? YES -Go to step 10. NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections.
10. Check for DTCs with the HDS. Are any DTCs other than B1837 indicated? YES -Go to the indicated «DTCS TROUBLESHOOTING»(ref-512417-S10607076092012103100000) . NO -Go to step 11.
11. Clear the DTCs with the HDS.
12. Wait for 6 seconds.
13. Move each power seat motor one at a time, and check the operation time. Does any motor fail to run smoothly? YES -Go to the «POWER SEAT MOTOR TEST»(ref-512417-S29261346962012103100000) (see ). If the motor is OK, check the engagement of the motor gear. NO -Go to the «POWER SEAT CONTROL UNIT INPUT TEST»(ref-512417-S42340715432012103100000) (see ).