Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P1443Secondary Air Injection System Control Valve Circuit Bank 1 I Bank 2 •
Manufacturer communications
12Original wording in English
TOYOTA
Some 2005 ? 2009 model year 4Runner, 2006 ? 2007 model year Land Cruiser, 2005 ? 2007 model year Sequoia, and 2005 ? 2006 model year Tundra vehicles equipped with the 2UZ-FE (4.7 L) engine may exhibit a MIL ?ON? condition for the following Diagnostic Trouble Codes (DTCs): ? P0412 ? Secondary Air Injection System Switching Valve …
TOYOTA
Some 2005 - 2009 model year 4Runner, 2006 - 2007 model year Land Cruiser, 2005 - 2007 model year Sequoia, and 2005 - 2006 model year Tundra vehicles equipped with the 2UZ-FE (4.7 L) engine may exhibit a MIL "ON" condition for the following Diagnostic Trouble Codes (DTCs): • P0412 - Secondary Air Injection System Switching Valve …
FORD, MERCURY
SOME VEHICLES BUILT PRIOR TO 10/5/2000 EQUIPPED WITH THE 3.0L 24-VALVE DURATEC ENGINE MAY EXHIBIT COLD ENGINE LONG CRANK/HAND START, TRANSMISSION SHUDDER/VIBRATION, HARSH DOWNSHIFT COASTING, AND ERRONEOUS CODE P1443 STORED. *TT
FORD
SOME VEHICLES BUILT PRIOR TO 10/5/2000 EQUIPPED WITH THE 3.0L 24-VALVE DURATEC ENGINE MAY EXHIBIT COLD ENGINE LONG CRANK / HARD START CONDITION, TRANSMISSION SHUDDER / VIBRATION DURING DECELERATION, HARSH COASTING TRANSMISSION DOWNSHIFTS, ERRONEOUS CODE P1443 STORED. *TT
Check vehicle applicability
26A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Evaporative Emission Control System Control Valve
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.