Lost Communication With Gateway 'A'

…Diagnostic codes reported: B1A68 (0x76), U0101, U0102, U0131, U0140, U0146, U0151, U0155, U0265, U0422, U160F, U1610, U1611. I am concerned that replacing the front camera may not correct the actual cause of the missing guide lines, particularly given the multiple communication faults. This could involve the camera system, software, calibration, CAN communication network, or another component. I am requesting that NHTSA document and investigate this complaint as a potential safety-related defect affecting the camera/guide-line system on 2022 Chevrolet Silverado vehicles. I believe the loss of the factory guide lines is a safety concern and could affect a driver's ability to safely judge the…

…The dealership provided a diagnostic trouble code report showing active codes: C2A07 Engine Control Module Indicated Torque Signal Malfunction; U0101 Lost Communication with Transmission Control Module; U0131 Lost Communication with Power Steering Control Module; U0140 Lost Communication with Body Control Module; U0146 Lost Communication with Central Gateway Module; U160F Lost Communication with Brake System Control Module 1 on CAN Bus 1; U1611 Lost Communication with Engine Control Module on CAN Bus 2; and U3003 Battery Voltage Circuit Voltage Below Threshold. The vehicle had approximately 22,000 miles at the time of the incident. The failure has not been repaired at the time of this…

…The diagnostic machine retrieved DTC: U0073, P0700, P25A2, U0101,U0129,U0146, U18D5, U18D7, U2413, U0073-00, U0100-00, U0140-00, U0151-00, U026A-00, U0420-00 and U0100. The manufacturer was made aware of the failure, and several cases were filed. The contact was informed that the vehicle would be scheduled to be towed to the dealer. The failure mileage was approximately 3,000.

The contact owns a 2023 Chevrolet Suburban. The contact stated while driving at an undisclosed speed, the vehicle experienced phantom braking. Additionally, the windshield wipers were inoperable. On another occasion, while driving at approximately 70 MPH, the vehicle experienced phantom braking. There was no warning light illuminated. The vehicle was taken to the local dealer, where it was diagnosed that there was a loss of communication with the control module, steering, gateway module, engine, body control module, and brakes. The dealer retrieved DTC codes: U0101, U0131, U0146, U152B, U160F, and U1561. The vehicle was not repaired. The manufacturer was contacted, but no assistance was…

VEHICLE PURCHASED 5/12/20. ON 5/22/20, AT ODO 84 MILES, ON STARTUP, VEHICLE DISPLAYED POWERTRAIN FAULT - ILLUMINATES WHEN A POWERTRAIN OR AWD FAULT HAS BEEN DETECTED. CONTACT YOUR AUTHORIZED DEALER AS SOON AS POSSIBLE. VEHICLE FLAT BED TOWED TO SUNSTATE FORD WEST COLONIAL DR ORLANDO FL (PURCHASE DEALERSHIP). SERVICE TEAM HAD VEHICLE 5 DAYS. CLEARED CODES U0131, U0100, U0140, U0155, U0198, U0253, U0257, P0919, U0212, U023A, U0103, U0111, U0121, U013F, U0159, U0232, U0233, U0293, U0401, U0415, U0420, U0424, U0531, U0101, U0418, U0429, U0146. 4 MILE TEST DRIVE. 20 MILE DRIVE RETURNED VEHICLE WITH NO CAUSE OR CORRECTION. ONLY EXPLAINED POWERTRAIN FAILURE COULD NOT BE REPLICATED. SINCE RETURN…

check engine light came on and is currently pulling the following codes. P25A2 U0146 U0101 U0100 MIL Status- off Freeze frame DTC- u0146 I had an oil change done by Hare Chevy in Noblesville 2 weeks ago, never an issue with my truck until after I left the dealership. Stanley Chevy in Mccordsville looked at it this morning and said they have to order a bunch of parts for it, including new leaf springs for a truck that is less than 2 years old…never have heard of such a thing.

My GMC sierra AT4 with the 3.0L Duramax Diesel, has 1,500 miles on it, when the engine failed. I was traveling from [XXX] to [XXX] , towing a trailer, when the check engine light came, and the truck entered reduced power mode. It immediately slowed the truck without warning - which made for a very dangerous situation for all of the vehicles behind me and for my vehicle. After getting the vehicle and trailer to a dealer, disconnecting the trailer, and then getting the truck in the shop, the dealer defined the OBDII code as being P06DD - Engine oil pressure control solenoid valve stuck off. U0146 - Lost communication with central gateway module, and U1605 - Lost communication with side…

…COULD BEE SOME THING WITH THE 4X4 ENGINE FOR A SECOND MAKING THE TIRES LOCK ALSO 2ND 05/03/2020 IS THIS HAPPENED ONCE MY CAR HAD 1231 MILES ON IT AND THREW THESE CODES, P25A2, U0146, U0100, U0101, P25A2, U0146, U0100, U0101 THREW 8 CODES WHEN MY ENGINE LIGHT WENT OFF, IT SHUT OFF A HOUR LATER. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

The contact owns a 2025 GMC Sierra 1500. The contact stated that while driving at 35 MPH, there was an abnormal knocking sound coming from the engine. No warning lights were illuminated. The vehicle was towed to the dealer, where it was diagnosed with a rough idle code, and that the thermostat coolant housing had failed. The contact was provided DTC codes: B1A76 with failure Code 0X15 (pending), P05D, U0075, U0101, U0146, U020C, U0265, U1614, and U1616, and the codes were active. The vehicle was repaired. The contact picked up the vehicle from the dealer after hours, and when the contact started the vehicle, the abnormal knocking sound was still coming from the engine. No warning lights were…

AFTER HAVING FOG LIGHTS PROGRAMED AT THE DEALER, LOST BRAKE ASSIST ON THE WAY HOME AT LAST LEFT TURN AND TRUCK TOOK LONGER TO STOP BEFORE THE TURN THEN NORMAL ON A CITY STREET SPEED ABOUT 45MPH, CHECK ENGINE LIGHT CAME ON CHECKED CODES AT HOME FOUND 4, P25A2 BRAKE SYSTEM CONTROL MODULE REQUESTED MIL ILLUMINATION U0101 LOST COMM WITH TCM, U0100 LOST COMM WITH ECM/PCM AND U0146 LOST COMM WITH GATEWAY A. TOOK TO GM DEALER AND WAS TOLD NO PROBLEMS FOUND AND CODES WERE CLEARED.