garajizOBD-II code · generic
P20D4
Exhaust Aftertreatment Fuel Injector B Control Circuit High
- System
- P2 — Powertrain / emissions (generic)
- Severity
- High (4/5)
- Can I keep driving?
- Drive with caution
What does P20D4 mean?
P20D4 is defined as “Exhaust Aftertreatment Fuel Injector B Control Circuit High”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- P20D3Exhaust Aftertreatment Fuel Injector B Control Circuit Low
- P20D5Exhaust Aftertreatment Fuel Injector B Stuck Open
- P20D2Exhaust Aftertreatment Fuel Injector B Control Performance
- P20D6Exhaust Aftertreatment Fuel Injector B Stuck Closed
- P20D1Exhaust Aftertreatment Fuel Injector B Control Circuit/Open
- P20D0Exhaust Aftertreatment Fuel Injector A Stuck Closed
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This page is general information; an exact diagnosis needs measurements and a technician’s check.