Error code
OBD2 P2055
OBD2P2055
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Reductant Injector Circuit High.
Severity
moderateCan drive but may experience emissions issues and decreased performance.
Summary
P2055 indicates an issue with the reductant injector circuit being too high on bank 1, specifically injector number 2.
Common Causes
- Wiring short to positive
Fixes
- Repair or replace the faulty wiring related to reductant injector 2 on bank 1.
FAQ
What does P2055 mean?
P2055 indicates a high circuit issue with the reductant injector 2 in engine bank 1.
How do I fix it?
The most common solution is to repair or replace faulty wiring connected to the reductant injector.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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