DTC C1257/57: Power Supply Drive Circuit [08/2013 - ]: Procedure
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
- REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY
- Replace the skid control ECU (brake booster with master cylinder assembly). Refer to REMOVAL [08/2013 - ] .
NEXT → END