C1541 (blink 41) on Toyota Corolla E120: Speed Sensor Malfunction
Short answer: C1541 means “Speed Sensor Malfunction”. The car’s computer has found a fault in the EMPS system and turns on the EPS (electric power steering) warning. First check: speed sensor; Combination meter; EMPS ECU.
- Code
- C1541 · blink 41
- System
- EMPS
- Dashboard light
- EPS (electric power steering) warning
- Applies to
- Cars with electric power steering only. NOT fitted on PK cars: the EPC fig 4502 hydraulic vane pump covers ZZE12#..PKN and NZE120.
- Market note
- EMPS (electric power steering) is not fitted on PK cars; PK cars use hydraulic steering.
- Confidence
- high (official Toyota RM821E)
- Source
- toyotamanuals.gitlab.io
Symptoms and when it is set
- Speed sensor malfunction
Likely causes
- Speed sensor; Combination meter; EMPS ECU
Related on this car
Same code on other cars
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.

