Error code
OBD2 P2059
OBD2P2059
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Reductant Injection Air Pump Control Circuit/Open.
Severity
moderateCan be driven, but may cause emissions issues and could lead to further damage if not addressed.
Summary
P2059 indicates an open circuit in the reductant injection air pump control system, which is part of the emissions control system.
Common Causes
- Wiring issues related to the reductant injection air pump
- Faulty reductant injection air pump
Fixes
- Repair or replace the faulty wiring or reductant injection air pump.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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