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P11AD on the 2018 Volkswagen Jetta

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name P11AD
VIN4APIN202011202020-12-04. Service bulletin. Customer states MIL-on with P0556 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states MIL-on with P2421 Customer states MIL-on, HPFP mounting bolts loose/broken Customer states MIL-on with Misfire code Customer states clutch pedal makes noise No crank, no start Customer states seat memory inoperative Customer states fuel odor/leak in the rear part of the vehicle (without a punctured fuel tank, hoses or pipes) or difficulty fueling fuel tank or fuel coming back up filler neck
VIN4APIN202011122020-12-04. Service bulletin. Customer states MIL-on with P0556 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states MIL-on with P0463 P2068 Customer states MIL-on, HPFP mounting bolts loose/broken Customer states MIL-on with Misfire code Customer states clutch pedal makes noise No crank, no start Customer states seat memory inoperative Customer states fuel odor/leak in the rear part of the vehicle (without a punctured fuel tank, hoses or pipes) or difficulty fueling fuel tank or fuel coming back up filler neck
VIN4APIN202008142020-09-03. Service bulletin. Customer states MIL-on with P0496 Customer states oil leak from the engine Customer states oil leak from the engine Customer states MIL-on with P0111 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states rattle noise from under vehicle Customer states MIL-on, HPFP mounting bolts loose/broken Customer states clutch pedal makes noise No crank, no start Driver seat heater inoperative Customer states both headlights are cracked Customer states noise heard when adjusting air distribution on HVAC controls Wind noise from front doors
VIN4APIN202008122020-09-03. Service bulletin. Customer states MIL-on with P0496 Customer states MIL-on with U0284 Customer states oil leak from the engine Customer states oil leak from the engine Customer states MIL-on with P0111 Customer states MIL-on with P2407 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states rattle noise from under vehicle Customer states MIL-on, HPFP mounting bolts loose/broken No crank, no start Driver seat heater inoperative Customer states both headlights are cracked Customer states noise heard when adjusting air distribution on HVAC controls Wind noise from front doors
VIN4APIN202008102020-09-03. Service bulletin. Customer states MIL-on with P0496 Customer states MIL-on with U0284 Customer states oil leak from the engine Customer states oil leak from the engine Customer states MIL-on with P0111 Customer states MIL-on with P2407 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states rattle noise from under vehicle Customer states MIL-on, HPFP mounting bolts loose/broken No crank, no start Driver seat heater inoperative Customer states both headlights are cracked Customer states noise heard when adjusting air distribution on HVAC controls Wind noise from front doors
VIN4APIN202008032020-09-03. Service bulletin. Customer states MIL-on with P0496 Customer states MIL-on with U0284 Customer states oil leak from the engine Customer states oil leak from the engine Customer states MIL-on with P0111 Customer states MIL-on with P2407 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states rattle noise from under vehicle Customer states MIL-on, HPFP mounting bolts loose/broken No crank, no start Driver seat heater inoperative Customer states both headlights are cracked Customer states noise heard when adjusting air distribution on HVAC controls Wind noise from front doors Customer states MIL-on with P0401
VIN4APIN202007282020-08-06. Service bulletin. Customer states MIL-on with P0496 Customer states MIL-on with U0284 Customer states oil leak from the engine Customer states oil leak from the engine Customer states MIL-on with P0111 Customer states MIL-on with P0442 Customer states MIL-on with P2407 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states MIL-on, HPFP mounting bolts loose/broken No crank, no start Driver seat heater inoperative Customer states both headlights are cracked Customer states noise heard when adjusting air distribution on HVAC controls Wind noise from front doors Customer states MIL-on with P0401
VIN4APIN202007242020-08-06. Service bulletin. Customer states MIL-on with P0496 Customer states MIL-on with U0284 Customer states oil leak from the engine Customer states oil leak from the engine Customer states MIL-on with P0111 Customer states MIL-on with P0442 Customer states MIL-on with P2407 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states MIL-on, HPFP mounting bolts loose/broken No crank, no start Customer states both headlights are cracked Customer states noise heard when adjusting air distribution on HVAC controls Wind noise from front doors Customer states MIL-on with P0401
VIN4APIN202007202020-08-06. Service bulletin. Customer states MIL-on with P0496 Customer states MIL-on with U0284Customer states oil leak from the engine Customer states oil leak from the engine Customer states MIL-on with P0111Customer states MIL-on with P0442 Customer states MIL-on with P2407 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states MIL-on, HPFP mounting bolts loose/broken No crank, no start Customer states both headlights are cracked Customer states noise heard when adjusting air distribution on HVAC controls Wind noise from front doors Customer states MIL-on with P0401
VIN4APIN201905012019-06-07. Service bulletin. Customer states noise from heat shield MIL-on P11AD, P11AE, P11AF Customer states MIL-on with P0496 MIL-on P0456 Customer states the sunshade is binding/tearing/separating The front window regulator(s) exhibiting noise, shutter, binding, or is inoperative. Customer states AC inoperative Customer states front windshield is distorted/warped Customer states airbag light on

20 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.