Error code
OBD2 P2259
OBD2P2259
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Secondary Air Injection System Control 'B' Circuit Low.
Severity
moderateCan drive, but may experience reduced performance and increased emissions.
Summary
P2259 indicates a low voltage issue in the Secondary Air Injection System Control 'B' circuit, which is part of the emissions system.
Common Causes
- Wiring short to ground
- AIR pump relay malfunction
- AIR pump failure
- AIR solenoid issues
Fixes
FAQ
What does P2259 mean?
P2259 indicates a low voltage issue in the Secondary Air Injection System Control 'B' circuit, which is part of the emissions system.
How serious is this code?
The severity level is moderate. You can continue driving but may experience reduced performance and increased emissions.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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