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Table of Contents > A/T CONTROL SYSTEM (DIAGNOSTIC CODES) > DTC P1734: Shift Error F

Honda CR-V A/T CONTROL SYSTEM (DIAGNOSTIC CODES) ➜ DTC P1734: Shift Error F

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4. Monitor the OBD STATUS for P1733 in the DTCs MENU with the HDS.  
DTC Description OBD Status  
P1733 Shift Error E  
Does the HDS indicate PASSED, FAILED, or NOT COMPLETED?  
PASSED Troubleshooting is complete. Check for other DTC after this troubleshooting. If any other Pending or  
Confirmed DTCs were indicated, go to the indicated DTC's troubleshooting.  
FAILED Troubleshooting is incomplete. Go to step 3 and recheck.  
NOT COMPLETED Repair verification is incomplete. Meet the test condition, and check the OBD STATUS  
again.  
DTC P1734: SHIFT ERROR F  
Fig. 128: DTC Troubleshooting Flow Chart (P1734)  
Courtesy of AMERICAN HONDA MOTOR CO., INC.  
NOTE:  
Before you troubleshoot, record all freeze data and any on-board snapshot with  
the HDS, and review the General Troubleshooting Information See HOW TO  
TROUBLESHOOT THE A/T SYSTEM or HOW TO TROUBLESHOOT THE FUEL  
AND EMISSIONS SYSTEMS .  
DTC Description  
P1734 Shift Error F  
Confirmed DTC  
Pending DTC  
Freeze Frame  
1. ATF check:  
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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 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 See AUTOMATIC TRANSMISSION DISASSEMBLY AND  
REASSEMBLY or AUTOMATIC TRANSMISSION REMOVAL AND INSTALLATION , then do  
the repair verification .  
NO : REPLACE THE ATF , then go to step 2.  
2. Problem verification (test-drive):  
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1. Turn the ignition switch to ON (II).  
2. Clear the DTC with the HDS.  
3. Test-drive the vehicle with the shift lever in D, and let the transmission shift through all five  
gears.  
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4. Monitor the OBD STATUS for P1734 in the DTCs MENU with the HDS.  
DTC Description OBD Status  
P1734 Shift Error F  
Does the HDS indicate FAILED?  
YES : The failure is duplicated. Go to step 3.  
NO : If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS  
indicates NOT COMPLETED, test-drive again.  
3. Shift solenoid valve B operation check:  
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1. Clear the DTC with the HDS.  
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2. Select Shift Solenoid Valve B in the Miscellaneous Test Menu, and check that shift solenoid  
valve B operates with the HDS.  
Is a clicking sound heard?  
YES : Shift solenoid valve B is OK. Go to step 4.  
NO : REPLACE SHIFT SOLENOID VALVE B , then do the repair verification .  
4. Shift solenoid valve C operation check:  
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1. Select Shift Solenoid Valve C in the Miscellaneous Test Menu, and check that shift solenoid  
valve C operates with the HDS.  
Is a clicking sound heard?  
YES : Shift solenoid valve C is OK. Go to step 5.  
NO : REPLACE SHIFT SOLENOID VALVE C , then do the repair verification .  
5. Problem verification (OBD STATUS check):  
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1. Turn the ignition switch to ON (II).  
2. Clear the DTC with the HDS.  
3. Test-drive the vehicle with the shift lever in D, and let the transmission shift through all five  
gears.  
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4. Monitor the OBD STATUS for P1734 in the DTCs MENU with the HDS.  
DTC Description OBD Status  
P1734 Shift Error F  
Does the HDS indicate FAILED?  
YES : The failure is duplicated. Repair the hydraulic system related with shift valves B and C, or replace  
the transmission See AUTOMATIC TRANSMISSION DISASSEMBLY AND REASSEMBLY or  
AUTOMATIC TRANSMISSION REMOVAL AND INSTALLATION , then do the repair  
verification .  
NO : If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS  
indicates NOT COMPLETED, test-drive again.  
REPAIR VERIFICATION (OBD STATUS CHECK)  
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1. Turn the ignition switch to ON (II).  
2. Clear the DTC with the HDS.  
3. Test-drive the vehicle with the shift lever in D, and let the transmission shift through all five gears.  
4. Monitor the OBD STATUS for P1734 in the DTCs MENU with the HDS.  
DTC Description OBD Status  
P1734 Shift Error F  
Does the HDS indicate PASSED, FAILED, or NOT COMPLETED?  
PASSED Troubleshooting is complete. Check for other DTC after this troubleshooting. If any other Pending or  
Confirmed DTCs were indicated, go to the indicated DTC's troubleshooting.  
FAILED Troubleshooting is incomplete. Go to step 3 and recheck.  
NOT COMPLETED Repair verification is incomplete. Meet the test condition, and check the OBD STATUS  
again.