SUBARU
11-188-19
Manufacturer communications
- Publication date
- 2019-01-11
- Received by NHTSA
- 2019-03-11
- NHTSA record numbers
- 10154410
Manufacturer summary
Original wording in English
This bulletin announces availability of reprogramming files to optimize the ECM on the STI models listed with EJ2.5 engine and manual transmission. These files enhance engine misfire diagnosis to reduce the possibility of an incorrect detection of DTC P0300: RANDOM / MULTIPLE CYLINDER MISFIRE DETECTED. The DTC may set during frequent accelerator pedal on and off at highway speed.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Subaru
P0300RANDOM / MULTIPLE CYLINDER MISFIRE DETECTEDCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.