Error code
OBD2 P2056
OBD2P2056
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Reductant Injector Circuit/Open.
Severity
moderateCan be driven, but may cause emissions issues and could worsen over time.
Summary
P2056 indicates an open circuit issue with reductant injector 2 on bank 2 of the engine.
Common Causes
- Wiring issues related to the reductant injector
Fixes
- Inspect and repair or replace the wiring related to reductant injector 2 on bank 2.
FAQ
What does P2056 mean?
P2056 indicates an open circuit issue with reductant injector 2 on bank 2 of the engine.
How serious is this code?
It's moderately serious. The vehicle can still be driven, but emissions issues may occur and worsen over time.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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