U18A2
U18A2
DTC U18A2, sometimes indicated as U18A200 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle user network.
Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.
- 21-NA-186 - ENGINE AND ENGINE COOLING
CHEVROLET: This service bulletin provides repair information to correct a customer concern of service engine soon illuminated in dic and/or a malfunctioning fuel gauge with dtc U0076/U18A2/P1001/P1434 or other message counter incorrect codes set. - 21-NA-186 - ENGINE AND ENGINE COOLING
CHEVROLET: This service bulletin provides repair information to correct a customer concern of service engine soon illuminated in dic and/or a malfunctioning fuel gauge with dtc U0076/U18A2/P1001/P1434 or other message counter incorrect codes set. - 20NA014 - ENGINE (PWS)
CHEVROLET: This technical bulletin is providing a procedure to reprogram the ecm to correct a condition of runs rough cold or stall condition upon cold start and/or dtc U18A2 set (north america /middle east- terrain only). - 20NA015 - ENGINE (PWS)
CHEVROLET: This technical bulletin is providing a procedure to reprogram the ecm to correct a condition of runs rough cold or stall condition upon cold start and/or dtc U18A2 set (mexico only) due to software concerns. - 20NA014 - ENGINE (PWS)
CHEVROLET: This technical bulletin is providing a procedure to reprogram the ecm to correct a condition of runs rough cold or stall condition upon cold start and/or dtc U18A2 set (north america only). - PIP5427B - ENGINE (PWS)
CHEVROLET: This preliminary information communication provides information to the technician about vehicle that may have a service engine soon malfunction indicator lamp on. Technician may find diagnostic trouble codes P2635, U0074 and or U18A2. Techn - PIP5427A - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES
CHEVROLET: This preliminary information communication provides information to the technician about vehicle that may have a service engine soon malfunction indicator lamp on. Technician may find diagnostic trouble codes P2635, U0074 and or U18A2. Techn - 16-NA-154 - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
CHEVROLET: This technical bulletin provides diagnostic information for malfunction indicator lamp (mil) illuminated, dtc U18A2 and/or P018B. - PIP5427 - ELECTRICAL SYSTEM
CHEVROLET: This preliminary information communication provides information to the technician about vehicle that may have a service engine soon malfunction indicator lamp on. Technician may find diagnostic trouble codes P2635, U0074 and or U18A2. Techn
2019 CHEVROLET EQUINOX with 11865.0 miles
Vehicle lost all power while pulling into a 4 way main road. Vehicle emergency lights/flashers did not work. Complete electrical failure. Car was stalled in active traffic lane during night time hours. Vehicle was towed into dealer for full diagnostic review- no issue was found with vehicle, although several eec test codes were detected- P0627, P0629, P01400, U18A2, U1524 and U18B4+71- most codes having to do with fuel pump/emission issues. Owner of vehicle considers this a serious issue as car stalled at night, in a heavy traffic area with no lighting or emergency flashers working to provide protection from on-coming traffic. Emergency personnel were called to assist.
ELECTRICAL SYSTEM, FUEL/PROPULSION SYSTEM ELECTRICAL SYSTEM FUEL/PROPULSION SYSTEM
2017 CHEVROLET VOLT with 3261.0 miles
While driving in my son to school my check engine light turned on. Fearing my car would die with no warning (like had previously occurred) i went back to my house. I used onstar to pull the engine code of U18A2 which after researching online could result in 'loss of propulsion' like previously occurred. I called the dealer and had the car towed for service. After 15 days i received my car back and was told it was a loose electrical connector somewhere.
ELECTRICAL SYSTEM,