P1769

DTC P1769 Mini Spare Detected

Component Location:

General Description
ITM (InterActive Torque Management) system can detect the tire size fault by calculating each wheel speed, if the tire size equipped at the vehicle is 10% bigger than normal tire. Wheel Speed Sensor senses vehicle speed and difference between front and rear wheel speed. Operation for getting Rotating Speeds of front/rear wheel can be got from dividing wheel speed sensor Rotating Speeds of front/rear by 2.

DTC Description
This code is set, if ITM-ECU detect that the tire size is 10% bigger than normal tire by calculating each wheel speed. When the failure is set there is no signal in the warning lamp, just ITM-ECU sets and stores this code.

DTC Detecting Condition:

Schematic Diagram:

Monitor DTC Status
1. Connect scantool to Data Link Connector (DLC).
2. Warm up the engine to normal operating temperature.





3. Monitor DTC (Diagnostics Trouble Code) on the scantool.

4. Is the same DTC displayed again?

YES
1) Check part number and tire size.
2) Repair or replace as necessary and go to "Verification of vehicle Repair" procedure below.

NO
1) Fault is intermittent caused by poor contact in the sensor's and/or TCCU's connector or was repaired and TCCU memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of vehicle Repair" procedure below.

Verification of Vehicle Repair
After a repair, it is essential to verifying that the fault has been corrected.
1. Connect scan tool and select "Diagnostic Trouble Codes(DTCs)" mode.
2. Using scantool, Clear DTC.
3. Operate the vehicle within DTC Enable conditions in General information.
4. Are any DTCs present?

YES
1) Go to the applicable troubleshooting procedure.

NO
1) System is performing to specification at this time.