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2010 Toyota Prius – Brake Codes After Caliper and Hose Replacement
CUSTOMER CONCERN After rear caliper and hose replacement, the brake system stores DTCs C1203, C1345, and C1451. CAUSE The brake hydraulic system was not fully bled, preventing the linear-solenoid valve offset calibration from completing. CORRECTION Perform the complete scan-tool brake bleeding procedure, clear DTCs C1203, C1345, and C1451, perform the linear-solenoid valve offset calibration on level ground with skid-control voltage near 13 volts, and verify normal brake oper
2012 Toyota Prius – Brake Codes After Caliper Replacement
CUSTOMER CONCERN After rear brake-caliper replacement, DTCs C1203, C1345, and C1451 are stored. CAUSE The brake hydraulic system had not been completely bled and the linear-valve offset had not been learned after brake service; C1451 indicates the brake pump is disabled until bleeding is completed. CORRECTION Perform the complete scan-tool brake-bleeding procedure, clear DTCs C1203, C1345, and C1451, perform the linear-valve offset calibration on level ground, and verify norm
2013 Toyota Prius Two – Brake Codes After Caliper and Hose Replacement
CUSTOMER CONCERN After left-rear caliper and brake-hose replacement, C1203, C1345, and C1451 remain stored. CAUSE Air remained in the hydraulic brake system, preventing the linear-solenoid valve offset calibration from completing. CORRECTION Perform the scan-tool brake bleeding procedure until all air is removed, then perform the linear-solenoid valve offset calibration, clear DTCs, and verify brake operation.
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