2009 Toyota Prius Touring – ABS Warning Light With C1252, C1256 and C1391
CUSTOMER CONCERN
ABS warning light is on with DTCs C1252, C1256 and C1391.
CAUSE
Accumulator-pressure testing confirmed an internal failure of the ABS brake actuator.
CORRECTION
Remove and replace the failed ABS brake actuator. Perform the required brake-system bleed procedure.
