LEXUS
L-SB-0038-16
Manufacturer communications
- Publication date
- 2016-07-12
- Received by NHTSA
- 2018-04-23
- NHTSA record numbers
- 10134353
Manufacturer summary
Original wording in English
TSB: Some 2014 ? 2016 model year GX 460 vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P2440 (Secondary Air Injection System Switching Valve Stuck Open, Bank 1) or P2442 (Secondary Air Injection System Switching Valve Stuck Open, Bank 2) and under some conditions may enter limp mode (limited throttle input ~ 25mph). This condition can be triggered by sub-freezing ambient temperatures. Follow the Repair Procedure below to address this condition.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Lexus
P2440Secondary Air Injection System Switching Valve Stuck Open, Bank 1Lexus
P2442Secondary Air Injection System Switching Valve Stuck Open, Bank 2Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.