Home >> Chevrolet >> 2002 >> Impala LS >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnostic Information & Procedures >> DTC C1261: LF Inlet Valve Solenoid Malfunction; C1262: LF Outlet Valve Solenoid Malfunction; C1263: RF Inlet Valve Solenoid Malfunction; C1264: RF Outlet Valve Solenoid Malfunction; C1265: LR Inlet Valve Solenoid Malfunction; C1266: LR Outlet Valve Solenoid Malfunction; C1267: RR Inlet Valve Solenoid Malfunction; C1268: RR Outlet Valve Solenoid Malfunction; C1271: LF TCS Master Cylinder Isolation Valve Malfunction; C1272: LF TCS Prime Valve Malfunction; C1273: RF TCS Master Cylinder Isolation Valve Malfunction; C1274: RF TCS Prime Valve Malfunction >> Conditions for Running the DTC