2008 Mercury Mariner Hybrid – Check Engine Light With P0128

CUSTOMER CONCERN The hybrid system stores isolation-fault DTCs P0AA6-49 and P1C80-49 for the rear motor area. CAUSE Corrosion in the high-voltage floor under-wire harness caused the documented isolati

CUSTOMER CONCERN After collision repairs and replacement of the front bumper and steering rack, the intuitive park-assist warning remains on and the EPS system stores U023A-87. CAUSE The replacement s

CUSTOMER CONCERN The engine control module stores DTC P2681-15 for the coolant-flow control circuit. CAUSE The confirmed repair identified a failed coolant flow control valve; Toyota's updated valve w