Error code
OBD2 P2057
OBD2P2057
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Reductant Injector Circuit Low.
Severity
moderateCan drive, but may experience reduced performance or emissions issues.
Summary
P2057 indicates a low circuit issue with reductant injector 2 on bank 2 of the engine.
Common Causes
- Wiring short to ground
Fixes
- Inspect and repair the wiring for reductant injector 2 on bank 2.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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