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A 2009 Cadillac Escalade hybrid electric car equipped with a V8 6.0L gasoline engine and matched with a 2ML70 mild hybrid PS structure type transmission. Driving Mileage: Around 105,600 miles. Issue: Continuous shuffle when accelerating at medium and low speeds, and the phenomenon is especially obvious just after a sudden acceleration on starting. Diagnosis: After picking up the car, the customer describes the fault phenomenon and shows that the car is basically normal when it’s cold and the fault is difficult to test. Also, the fault does not occur very frequently when the car is hot, so as to be...

Model: F07. Driving Mileage: 37282miles Issue: The user reports that the cruise system failure warning lamp lights up when the vehicle is driving, and the central information display screen prompts "Automatic cruise system failure! Collision function failure!" Diagnosis: After picking up the car, it is found that the automatic cruise system fault alarm phenomenon of the vehicle currently exists. Connect ISID for diagnosis and testing, and read the fault content in the vehicle fault memory as follows: 48003B: ICMACC sensor reported failure 482136: ACC sensor is out of adjustment 482130: ACC sensor test run The new ACC sensor replaces the...

  Model: CC7000ZM01BEV, with a cruising range of 310km.Driving Mileage: 14km.                                                                 Issue: After charging the battery overnight, the vehicle can be started the next day when preparing to wash the car for delivery, but after the D gear is engaged, the vehicle cannot drive, and the gear information displayed on the meter continues to flash at the N gear position, as shown in Figure 1. Figure 1 Diagnosis: Combined...

Issue: A Mercedes-Benz EQC400 pure electric vehicle in 2019, with a mileage of 2352km. The customer complained that the meter showed that the protection system was faulty and the battery light was on. Diagnosis: Start the vehicle, the instrument displays the fault of the protection system and the battery light is on. The customer reports that the car has been driven for more than a month and has been in normal use. It suddenly broke down lately when driving, and no maintenance has been done before. Quickly test the vehicle with a special diagnostic instrument for Mercedes-Benz (XENTRY), and the...

Issue: The car's keyless entry function is invalid. Diagnosis: The vehicle is new. When doing PDI, the maintenance professional discovered that the system had a fault code: “B117113 enters and starts the system antenna in the bumper is open, static," which was deleted after the fault code was removed. When testing the four-door keyless entry function, the door lock function was working, but on the second day, the customer reported the failure again. After the technician picks up the car and turns on the ignition switch, the instrument displays "Fault: Keyless System". The fault code is still B117113. The entry...