MAZDA
01-021-19-3649
Manufacturer communications
- Publication date
- 2019-12-13
- Received by NHTSA
- 2019-12-20
- NHTSA record numbers
- 10169536
Manufacturer summary
Original wording in English
Some customers may experience the CHECK ENGINE light ON with DTC P0012:00 (Electric variable valve timing control system: Over-retarded) stored in PCM memory. NOTE: This concern occurs only on the vehicles with PCMs manufactured by MITSUBISHI.This is caused by improper control logic of the PCM detecting a false error. To correct this issue, the PCM software has been modified. NOTE: The VVT actuator is damaged by the improper control logic.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Mazda
P0012:00Electric variable valve timing control system: Over-retardedCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.