P20D6

DTC P20D6, sometimes indicated as P20D600 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing exhaust aftertreatment fuel injector "b" stuck closed.

The exhaust aftertreatment fuel injector "B" stuck closed code is caused by a fuel injector that is not opening. This can be caused by a number of things, including a bad fuel injector, a clogged fuel injector, or a problem with the fuel injection system.
If you have a code P20D6, the best thing to do is to have a qualified technician inspect the vehicle and determine the cause of the problem.

• P20D6: Aftertreatment Fuel Injector B Stuck Closed
• P20D6: Exhaust Aftertreatment Fuel Injector "B" Stuck Closed
• P20D6: Exhaust after treatment fuel injector B – injector stuck closed
• P20D6 00: Exhaust after treatment fuel injector B - injector stuck closed