U026A

ISO/SAE Reserved

DTC U026A, sometimes indicated as U026A00 is an OBD diagnostic trouble code indicating a generic fault with the vehicle user network.

  • U026A: ISO/SAE Reserved

DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • PIT6046 - BACK OVER PREVENTION
    CHEVROLET: This preliminary information communicates that a vehicle may come to the dealer with a service front camera message with a U026A. The technician is advised to replace the front view camera.
  • PIT5441C - BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
    CHEVROLET: This preliminary information communication provides information to the technician the steps to diagnose and repair vehicles that may have an object detection system message diagnostic trouble codes U0075, U026A, U026B, U026C, U0265, U0268,
  • PIT5482 - ELECTRICAL SYSTEM:SOFTWARE
    CHEVROLET: This preliminary information communication provides information to the technician about vehicles that have a "service front camera" message on the driver information center. Technician may find diagnostic trouble code U023A and or U026A set
  • PIT5441 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
    CADILLAC: This preliminary information communication provides information to the technician the steps to diagnose and repair vehicles that may have an object detection system message diagnostic trouble codes U0075, U026A, U026B, U026C, U0265, U0268,
  • PIT5441B - ELECTRICAL SYSTEM
    CADILLAC: This preliminary information communication provides information to the technician the steps to diagnose and repair vehicles that may have an object detection system message diagnostic trouble codes U0075, U026A, U026B, U026C, U0265, U0268,
Consumer Complaints for this DTC



2019 GMC SIERRA 1500 with 1250.0 miles

Brand new truck with less than 1250 miles on it! Abs brakes failed. Forced to drive on dangerous grade down sierra nevadas with very limited braking. Message not to drive over 62 mph. Error code C0580 abs braking and stability system, issue with abs and error code P25A2 ecm engine system - engine & transmission not performing as expected. Other codes includeC2A17, U0100 U026A & U0415. Gmc knows about the problem and they have possible fix but is not issuing a recall. Dealer indicates reprogramed the brake system control module.War code 28yn28687675. Cleared the dtc and roadtest. Found the lights did not come back on and the brack system is working ok (just "ok") now. Also, Gmc will not confirm the problem will not reoccur again.
SERVICE BRAKES, ENGINE

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