2019 Cadillac XT4 Complaints

  • Exterior Lighting 10/01/2024

    The passenger side DRL/turn signal is dim causing the vehicle visability to be reduced and other drivers unable to see turn indications, increasing the risk of crash. The design of the unit places undue heat near the circuit board causing the unit to fail. The driver's side does not have this issue. This is a known issue with many post on forums on it.

  • Exterior Lighting 06/15/2025

    The contact owns a 2019 Cadillac XT4. The contact stated that while the vehicle was parked, the contact exited the vehicle and became aware that the daytime running light was out on the driver’s and passenger’s side. Neither the dealer nor an independent mechanic was contacted. No warning light was illuminated. The vehicle was not taken to the dealer or an independent mechanic to be diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 75,000.

  • Exterior Lighting 09/08/2025

    Both running light modules failed due to overheating because there was no heatsink thermal compound installed on either unit. They had to be replaced. Repair was successful.

  • Electrical System, engine 08/12/2025

    My water pump failed do to a cover that fell off during driving on a rainy day and water got inside the chip board and fried my water pump and car engine reduced speed all suddenly almost got hit on the back by another vehicle do to speed reduced and stalled do to engine overheating

  • Fuel/propulsion System 12/02/2024

    HAD A CHECK ENGINE LIGHT OCCUR AFTER A DEALER WARRANTY INSTALLED ENGINE. THE DTC CODE WAS "PO496". THIS TURNED OUT TO BE A PARGE PUMP FAILURE. VEHICLE IS 4 YEARS AND 9 MONTHS OLD, MILAGE AT 34285. DEALER SAYING THAT PART IS NOT COVERED ANY LONGER UNDER WARRANTIES OF ANY TYPE. THE REPAIR COST ME $671.89. THIS IS AN EXTREMELY EARLY FAILURE OF AN EMMISIONS CONTROL COMPONENT.

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