Diagnostic Trouble Code Troubleshooting Procedures - DTC P0734
In this manual: Diagnostic Trouble Code Troubleshooting Procedures - DTC P0734
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| DTC P0734: Calculated gear ratio of 4th gear does not match the nominal value | Possible Cause |
| If the output shaft speed sensor [PG-B] signal value, multiplied by the 4th gear ratio, does not match the input shaft speed sensor [PG-A] signal value after 4th gear is engaged, DTC P0734 is stored in the TCM memory. If this DTC occurs 4 times in succession, the transmission enters fail-safe mode (shift control is inhibited) and is fixed in 3rd gear. | Malfunction of the transaxle input shaft speed sensor. Malfunction of the transaxle output shaft speed sensor. Malfunction of the underdrive clutch drum. Malfunction of the drive or driven gear of the idler gear. Malfunction of the 2nd gear brake. Malfunction of the overdrive clutch. Abnormal noise occurs. |

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