C1553 · blink 53 – When resetting voltage, vehicle is being

System: EMPS
Dashboard light: EPS (electric power steering) warning
Check-engine blink code: 53
Market note: EMPS (electric power steering) is not fitted on PK cars; PK cars use hydraulic steering.
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.
Description: When resetting voltage, vehicle is being
Detection / symptoms: Detection: ECU internal malfunction EMPS ECU Fail safe function: When this code is identified, stop the steering assist.
What to check: Workshop check order (RM821E): CHECK OUTPUT DTC WHEN THE IGNITION SWITCH FROM OFF TO ON
Confidence: high (official Toyota RM821E)

From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights