Mazda 3 Archives - Transmission Digest
Mazda FW6A-EL stored pressure switch codes

The complaint A Mazda with the “Sky Active” FW6A-EL transmission has its Check Engine and A/T Warning lights illuminated, with the following trouble codes stored in TCM memory: P0842 “Oil Pressure Switch #1 (pressure switch B) Stuck On.” P0847 “Oil Pressure Switch #2 (pressure switch A) Stuck On.” P0872 “Oil Pressure Switch #3 (pressure switch