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DTC B1837: Driving Position Memory Recall Timeout Acura RL II facelift

Memory Modules ~394 words

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 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 to the complete opposite of the positions just memorized.
  8. Recall the memory positions with the driving position memory switch.
  9. Wait for at least 3 minutes.
  10. Check for DTCs with the HDS. Are any DTCs indicated? YES -Go to step 11. NO -Intermittent failure, the driving position memory system is OK at this time. Check for loose or poor connections at each DPMS connector.
  11. Check for DTCs with the HDS. Are any DTCs other than B1837 indicated? YES -Go to the indicated DTCs troubleshooting. NO -Go to step 12.
  12. Clear the DTCs with the HDS.
  13. Wait for at least 6 seconds.
  14. Move the motors shown one at a time, and check the operation time. Steering tilt motor up and down Steering telescopic motor pulled and pushed Power mirror actuator (up, down, left, right) Power seat (slide forward/backward, recline forward/backward, front up-down, rear up-down) Does any motor fail to run smoothly? YES -Go to the failed motor test: Power tilt/telescopic motor test (see «POWER TILT/TELESCOPIC STEERING SWITCH TEST/REPLACEMENT»(ref-348587-S27920293092009112400000) ). Power mirror actuator test (see «POWER MIRROR SWITCH TEST/ REPLACEMENT»(ref-348602-S33128467232009112400000) ). Power seat motor test (see «DRIVER'S POWER SEAT MOTOR TEST»(ref-348587-S38634851942009112400000) ). If the motor is OK, check the engagement of the motor gear. NO -Go to the each input test: Power seat control unit input test (see «POWER SEAT CONTROL UNIT INPUT TEST»(ref-348587-S23126836152009112400000) ). Power tilt/telescopic steering control unit input test (see «POWER TILT/TELESCOPIC STEERING CONTROL UNIT INPUT TEST»(ref-348587-S23180304512009112400000) ). Driver's MPCS unit input test (see «DRIVER'S MPCS UNIT INPUT TEST»(ref-348551-S34193089842009112400000) ).

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