Mazda TSB #05-003-20-3725

2018 Mazda MAZDA6

TSB Document:

Affected Component: EQUIPMENT ADAPTIVE/MOBILITY

Summary
Some vehicles may experience the check engine light and automatic transaxle warning light ON with one or more of these DTCs stored in the TCM memory (P0842, P0847, P0872, P0877, P0780, P1738). This is caused by the oil pressure switch A and/or B at the control valve body temporarily or permanently getting stuck due to contamination entering the passage. To correct the problem, some mass production changes have been implemented to reduce contamination and improve the DTC diagnostic logic.

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Date Published
JUL 09, 2020
NHTSA TSB #
10177843
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