DTC 00273 - Right/Rear Inlet Valve Circuit
Fault may be caused by faulty right/rear inlet valve, open or short in wiring between ABS hydraulic unit and ABS control module. Perform steps 4) and 16) of CIRCUIT TEST . If malfunction cannot be pinpointed during circuit testing, check all wiring and harness connectors for poor contact corrosion etc. If fault still cannot be located, replace ABS control module with known good unit.