DTC P0735: 5th Gear Incorrect Ratio

WARNING: This page is about a different car, the 2013 Honda Fit, 2012 Honda Fit, 2011 Honda Fit, 2010 Honda Fit, and 2009 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review General Troubleshooting Information (see GENERAL TROUBLESHOOTING INFORMATION ).

Warm up the engine to normal operating temperature (the radiator fan comes on).
Make sure that the transmission is filled to the proper level, and check for fluid leaks.
Drain the ATF through a strainer (see step 4 ). 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 10.

NO -Replace the ATF (see (see step 6 ), then go to step 4.
Measure the line pressure (see PRESSURE TEST ).
Is the line pressure within the service limits?

YES -Go to step 5.

NO -Repair the ATF pump and the regulator valve, or replace the transmission, then go to step 10.
Measure the 5th clutch pressure (see PRESSURE TEST ).
Is the 5th clutch pressure within the service limits?

YES -Go to step 6.

NO -Shift valve B is stuck. Repair this shift valve and the hydraulic circuit, or replace the transmission, then go to step 10.
Clear the DTC with the HDS.
Test-drive the vehicle in 5th gear in D at speeds above 7 mph (12 km/h) with engine speed 1, 000 rpm or higher, for at least 12 seconds. Slow down, and stop the wheels.
Check for Pending or Confirmed DTCs with the HDS.
Is DTC P0735 indicated?

YES -Repair the 5th clutch, or replace the transmission, then go to step 10.

NO -Go to step 9.
Monitor the OBD status for P0735 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the HDS indicate PASSED?

YES -Intermittent failure, the system is OK at this time. If any other DTCs were indicated on step 8, go to the indicated DTC's troubleshooting.

NO -Check for poor connections and loose terminals at the input shaft (mainshaft) speed sensor, the output shaft (countershaft) speed sensor, and the PCM, then recheck. If the HDS indicates NOT COMPLETED, return to step 7 and recheck.
Test-drive the vehicle in 5th gear in D at speeds above 7 mph (12 km/h) with engine speed 1, 000 rpm or higher, for at least 12 seconds. Slow down, and stop the wheels.
Check for Pending or Confirmed DTCs with the HDS.
Is DTC P0735 indicated?

YES -Check for poor connections and loose terminals at the input shaft (mainshaft) speed sensor, the output shaft (countershaft) speed sensor, and the PCM, then go to step 1.

NO -Go to step 12.
Monitor the OBD status for P0735 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 11, go to the indicated DTC's troubleshooting.

NO -Check for poor connections and loose terminals at the input shaft (mainshaft) speed sensor, the output shaft (countershaft) speed sensor, and the PCM, then go to step 4. If the HDS indicates NOT COMPLETED, return to step 10 and recheck.