Honda CR-V: DTC P16CO: PCM A/T Control System Incomplete Update

NOTE:

• Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.
• This code is indicated when PCM updating is incomplete.

1. Update the A/T software in the PCM.

2. Check whether the DTC P16CO is indicated in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P16CO indicated? YES-Replace the original PCM. NO-PCM updating is complete.

DTC P1717: Open in Transmission Range Switch ATP RVS Switch Circuit

NOTE:

• Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.
• This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.

1. Turn the ignition switch ON (II).

2. Shift to the R position, and check the A/T R SWITCH signal with the HDS in the A/T data list.

Is the A/T R SWITCH ON? YES-Go to step 3.

NO-Check for proper transmission range switch installation (see page 14-292), adjust the shift cable (see page 14-286), then recheck.

3. Check the REVERSE SWITCH signal with the HDS.

Is the REVERSE SWITCH ON? YES-Intermittent failure, the system is OK at this time.

NO-Go to step 4.

4. Turn the ignition switch OFF.

5. Disconnect the transmission range switch connector.

6. Check for continuity between transmission range switch connector terminal No. 10 and body ground.

Is there continuity? YES-Go to step 7.

NO-Repair open in the wire between transmission range switch connector terminal No.5 and ground (G101), or repair poor ground (G101), then go to step 14.

7. Turn the ignition switch ON (II).

8. Measure the voltage between transmission range switch connector terminals No.1 and No. 10.

Is there voltage? YES-Go to step 9.

NO-Repair open in the wire between PCM connector terminal B22 and the transmission range switch, then go to step 14.

9. Check for continuity between the No.1 and No.10 terminals at the transmission range switch.

Is there continuity while the shift lever is in the R position, and no continuity when the shift lever is shifted to any position other than R? YES-Check for poor connections and loose terminals at the transmission range switch and the PCM. If the connections are OK, go to step 10.

NO-Replace the transmission range switch (see page 14-294), then go to step 14.

10. Update the A/T software in the PCM if it does not have the latest software (see page 14-9), or substitute a known-good PCM.

11. Test-drive the vehicle in the R position at speeds below 3 mph (5 km/h) for more than 2 seconds, then increase the speed and test-drive at speeds over 3 mph (5 km/h) for more than 2 seconds, then slow down to a stop.

12. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P1717 indicated? YES-If the PCM was updated, substitute a known-good PCM (see page 14-10), then recheck. If the PCM was substituted, go to step 1.

NO-Go to step 13.

13. Monitor the OBD STATUS for P1717 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-If the PCM Was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see page 11-219). If any other DTCs were indicated on step 12, go to the indicated DTC's troubleshooting.

NO-If the HDS indicates FAILED, check for poor connections and loose terminals at the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM (see page 14-10), then recheck. If the PCM was substituted, go to step 1. If the HDS indicates NOT COMPLETED, return to step 11 and recheck.

14. Clear the DTC with the HDS.

15. Test-drive the vehicle in the R position at speeds below 3 mph (5 km/h) for more than 2 seconds, then increase the speed and test-drive at speeds over 3 mph (5 km/h) for more than 2 seconds, then slow down to a stop.

16. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P1717 indicated? YES-Check for poor connections and loose terminals at the transmission range switch and the PCM, then go to step 1.

NO-Go to step 17.

17. Monitor the OBD STATUS for P1717 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-Troubleshooting is complete. If any other DTCs were indicated on step 16, go to the indicated DTC's troubleshooting.

NO-If the HDS indicates FAILED, check for poor connections and loose terminals at the transmission range switch and the PCM, then go to step 1. If the HDS indicates NOT COMPLETED, return to step 15 and recheck.

DTC P1730: Problem in Shift Control System:

• Shift Solenoid Valves A or D Stuck OFF
• Shift Solenoid Valve B Stuck ON
• Shift Valves A, B, or D Stuck

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.

1. Warm up the engine to normal operating temperature (the radiator fan comes on).

2. Make sure that the transmission is filled to the proper level, and check for fluid leaks.

3. Drain the ATF (see step 3 on page 14-239) through a strainer. Inspect the strainer for metal debris or excessive clutch material.

Does the strainer have metal debris or excessive clutch material? YES-Replace the transmission, then go to step 15.

NO-Replace the ATF (see step 5 on page 14-239), then go to step 4.

4. Clear the DTC with the HDS.

5. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

6. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

7. Monitor the OBD STATUS for P1730 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 8.

NO-Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 5 and recheck.

8. Clear the DTC with the HDS.

9. Choose Shift Solenoid A in the Miscellaneous Test Menu, and check that shift solenoid valve A operates with the HDS.

Is a clicking sound heard? YES-Go to step 10.

NO-Replace shift solenoid valve A (see page 14-222), then go to step 15.

10. Choose Shift Solenoid B in the Miscellaneous Test Menu, and check that shift solenoid valve B operates with the HDS.

Is a clicking sound heard? YES-Go to step 11.

NO-Replace shift solenoid valve B (see page 14-222), then go to step 15.

11. Choose Shift Solenoid D in the Miscellaneous Test Menu, and check that shift solenoid valve D operates with the HDS.

Is a clicking sound heard? YES-Go to step 12.

NO-Replace shift solenoid valve D (see page 14-222), then go to step 15.

12. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

13. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

14. Monitor the OBD STATUS for P1730 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Repair hydraulic system related with shift valves A, B, and D, or replace the transmission, then go to step 15.

NO-Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 12 and recheck.

15. Clear the DTC with the HDS.

16. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

17. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

18. Monitor the OBD STATUS for P1730 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-Troubleshooting is complete.

NO-If the HDS indicates FAILED, return to step 15 and recheck. If the HDS indicates NOT COMPLETED, return to step 16 and recheck.

DTC P1731: Problem in Shift Control System:

• Shift Solenoid Valve E Stuck OFF
• Shift Valve E Stuck
• A/T Clutch Pressure Control Solenoid Valve A Stuck OFF

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.

1. Warm up the engine to normal operating temperature (the radiator fan comes on).

2. Make sure that the transmission is filled to the proper level, and check for fluid leaks.

3. Drain the ATF (see step 3 on page 14-239) through a strainer. Inspect the strainer for metal debris or excessive clutch material.

Does the strainer have metal debris or excessive clutch material? YES-Replace the transmission, then go to step 12.

NO-Replace the ATF (see step 5 on page 14-239), then go to step 4.

4. Clear the DTC with the HDS.

5. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

6. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

7. Monitor the OBD STATUS for P1731 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 8.

NO-Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 5 and recheck.

8. Clear the DTC with the HDS.

9. Choose Shift Solenoid E in the Miscellaneous Test Menu, and check that shift solenoid valve E operates with the HDS.

Is a clicking sound heard? YES-Go to step 10.

NO-Replace shift solenoid valve E (see page 14-222), then go to step 15.

10. Choose Clutch Pressure Control (Linear) Solenoid A in the Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve A with the HDS.

Does the HDS indicate NORMAL? YES.-Intermittent failure, the system is OK at this time.

NO-Follow the instructions indicated on the HDS by the test result, but if the HDS has not determined the cause of the failure, go to step 11. lf any part is replaced, go to step 12.

11. Inspect A/T clutch pressure control solenoid valve A.

Does A/T clutch pressure control solenoid valve A work properly? YES-Repair the hydraulic system related with shift valve E, or replace the transmission, then go to step 12.

NO-Replace A/T clutch pressure control solenoid valve A (see page 14-227), then go to step 12.

12. Clear the DTC with the HDS.

13. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

14. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

15. Monitor the OBD STATUS for P1731 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-Troubleshooting is complete.

NO-If the HDS indicates FAILED, return to step 12 and recheck. If the HDS indicates NOT COMPLETED, return to step 13 and recheck.

DTC P1732: Problem in Shift Control System:

• Shift Solenoid Valves B or C Stuck ON
• Shift Valves B or C Stuck

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.

1. Warm up the engine to normal operating temperature (the radiator fan comes on).

2. Make sure that the transmission is filled to the proper level, and check for fluid leaks.

3. Drain the ATF (see step 3 on page 14-239) through a strainer. Inspect the strainer for metal debris or excessive clutch material.

Does the strainer have metal debris or excessive clutch material? YES-Replace the transmission, then go to step 14.

NO-Replace the ATF (see step 5 on page 14-239), then go to step 4.

4. Clear the DTC with the HDS.

5. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

6. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

7. Monitor the OBD STATUS for P1732 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 8.

NO-Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 5 and recheck.

8. Clear the DTC with the HDS.

9. Choose Shift Solenoid B in the Miscellaneous Test Menu, and check that shift solenoid valve B operates with the HDS.

Is a clicking sound heard? YES-Go to step 10.

NO-Replace shift solenoid valve B, then go to step 14.

10. Choose Shift Solenoid C in the Miscellaneous Test Menu, and check that shift solenoid valve C operates with the HDS.

Is a clicking sound heard? YES-Go to step 11.

NO-Replace shift solenoid valve C (see page 14-222). then go to step 14.

11. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

12. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

13. Monitor the OBD STATUS for P1732 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Repair hydraulic system related with shift valves B and C, or replace the transmission, then go to step 14.

NO-Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 12 and recheck.

14. Clear the DTC with the HDS.

15. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

16. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

17. Monitor the OBD STATUS for P1732 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-Troubleshooting is complete.

NO-If the HDS indicates FAILED, return to step 14 and recheck. If the HDS indicates NOT COMPLETED, return to step 15 and recheck.

DTC P1733: Problem in Shift Control System:

• Shift Solenoid Valve D Stuck ON
• Shift Valve D Stuck
• A/T Clutch Pressure Control Solenoid Valve C Stuck OFF

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.

1. Warm up the engine to normal operating temperature (the radiator fan comes on).

2. Make sure that the transmission is filled to the proper level, and check for fluid leaks.

3. Drain the ATF (see step 3 on page 14-239) through a strainer. Inspect the strainer for metal debris or excessive clutch material.

Does the strainer have metal debris or excessive clutch material? YES-Replace the transmission, then go to step 15.

NO-Replace the ATF (see step 5 on page 14-239), then go to step 4.

4. Clear the DTC with the HDS.

5. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

6. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

7. Monitor the OBD STATUS for P1733 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 8.

NO-Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 5 and recheck.

8. Clear the DTC with the HDS.

9. Choose Shift Solenoid D in the Miscellaneous Test Menu, and check that shift solenoid valve D operates with the HDS.

Is a clicking sound heard? YES-Go to step 10.

NO-Replace shift solenoid valve D (see page 14-222), then go to step 15.

10. Choose Clutch Pressure Control (Linear) Solenoid C in the Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve A with the HDS.

Does the HDS indicate NORMAL? YES-Go to step 11.

NO-Follow the instructions indicated on the HDS by the test result, but if the HDS has not determined the cause of the failure, go to step 14. If any part is replaced, go to step 15.

11. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

12. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

13. Monitor the OBD STATUS for P1733 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Repair hydraulic system related with shift valve D, or replace the transmission, then go to step 14.

NO-Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 11 and recheck.

14. Inspect A/T clutch pressure control solenoid valve A.

Does A/T clutch pressure control solenoid valve A work properly? YES-Repair the hydraulic system related to shift valve E, or replace the transmission, then go to step 15.

NO-Replace A/T clutch pressure control solenoid valve A (see page 14-227), then go to step 15.

15. Clear the DTC with the HDS.

16. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

17. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

18. Monitor the OBD STATUS for P1731 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-Troubleshooting is complete.

NO-lf the HDS indicates FAILED, return to step 12 and recheck. If the HDS indicates NOT COMPLETED, return to step 13 and recheck.

DTC P1734: Problem in Shift Control System:

• Shift Solenoid Valves B or C Stuck OFF
• Shift Valves B or C Stuck

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.

1. Warm up the engine to normal operating temperature (the radiator fan comes on).

2. Make sure that the transmission is filled to the proper level, and check for fluid leaks.

3. Drain the ATF (see step 3 on page 14-239) through a strainer. Inspect the strainer for metal debris or excessive clutch material.

Does the strainer have metal debris or excessive clutch material? YES-Replace the transmission, then go to step 14.

NO-Replace the ATF (see step 5 on page 14-239), then go to step 4.

4. Clear the DTC with the HDS.

5. Test-drive the vehicle in the D position througl1 all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

6. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

7. Monitor the OBD STATUS for P1734 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 8.

NO-Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 5 and recheck.

8. Clear the DTC with the HDS.

9. Choose Shift Solenoid B in the Miscellaneous Test Menu, and check that shift solenoid valve B operates with the HDS.

Is a clicking sound heard? YES-Go to step 10.

NO-Replace shift solenoid valve B (see page 14-222), then go to step 14.

10. Choose Shift Solenoid C in the Miscellaneous Test Menu, and check that shift solenoid valve C operates with the HDS.

Is a clicking sound heard? YES-Go to step 11.

NO-Replace shift solenoid valve C (see page 14-222), then go to step 14.

11. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

12. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

13. Monitor the OBD STATUS for P1734 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FA/LED? YES-Repair hydraulic system related with shift valves B and C, or replace the transmission, then go to step 14.

NO-Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 12 and recheck.

14. Clear the DTC with the HDS.

15. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

16. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

17. Monitor the OBD STATUS for P1734 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-Troubleshooting is complete.

NO-If the HDS indicates FAILED, return to step 14 and recheck. If the HDS indicates NOT COMPLETED, return to step 15 and recheck.

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