LEXUS
L-SB-0015-16
Manufacturer communications
- Publication date
- 2016-04-01
- Received by NHTSA
- 2018-04-23
- NHTSA record numbers
- 10134240
Manufacturer summary
Original wording in English
TSB: Some 2011 ? 2012 CT 200h vehicles may exhibit a vibration due to rough idle and/or tapping noise from HV transaxle at cold start. The Check Engine Light may also illuminate with (DTC) P0401 (Exhaust Gas Recirculation Flow Insufficient Detected). Due to excess carbon build up at the valve assembly, the valve will stick causing the engine RPM to fluctuate. Follow the procedures in this bulletin 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
P0401Exhaust Gas Recirculation Flow Insufficient DetectedCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.