DTC B2189: Driver's Window Position Data Error Acura MDX II 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).
3. Open and close the driver's power window by using the power window master switch manually.
4. Check for DTCs with the HDS. Is DTC B2175 or B2176 also indicated? YES -Go to the indicated DTC(s) troubleshooting. NO -Go to step 5.
5. Reset the power window control unit
6. Clear the DTCs with the HDS.
7. Turn the ignition switch to LOCK (0) and then back to ON (II).
8. Open and close the driver's power window by using the power window master switch manually.
9. Check for DTCs with the HDS. Is DTC B2189 indicated? YES -Go to step 10. NO -The system is OK at this time.
10. Turn the ignition switch to LOCK (0).
11. Substitute a known-good driver's MPCS unit.
12. Clear the DTCs with the HDS.
13. Turn the ignition switch to LOCK (0) and then back to ON (II).
14. Open and close the driver's power window by using the power window master switch manually.
15. Check for DTCs with the HDS. Is DTC B2189 indicated? YES -Replace the driver's power window motor. NO -Replace the original driver's MPCS unit.