Pinpoint Test O: DTC P0734
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- Normal Operation and Fault Conditions
The PCM monitors clutch applications for all gears. It sets a DTC if it detects ratio errors but is unable to detect which clutch caused the issue. The symptoms may be delayed gear engagements, the transmission logic disables the gear in question.
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition PCM P0734:00 Gear 4 Incorrect Ratio: No Sub Type Information This DTC indicates a gear ratio error either in or while shifting to 4th gear. The fault did not last long enough to set a more specific DTC. The failsafe logic disables 4th gear for the remainder of the key cycle during which the fault occurred. Possible Causes
- Transmission fluid contamination
- A solenoid or A clutch damaged
- C solenoid or C clutch damaged
- D solenoid or D clutch damaged
- F solenoid or F clutch damaged
- O1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)
- Ignition OFF.
- Ignition ON.
- Using a diagnostic scan tool, clear the PCM diagnostic trouble codes (DTCs).
- Wait 10 seconds.
- Road test the vehicle.
- Using a diagnostic scan tool, carry out the PCM self-test.
Is DTC P0734 present in the PCM '
Yes REFER to: A CLUTCH . REFER to: C CLUTCH . REFER to: D CLUTCH . REFER to: F CLUTCH . No The fault is not present at this time and may be intermittent.