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P1521 Diagnostic Trouble Code Discussion for January 2021

Incorrect Engine Oil Type


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Trouble Ticket Help Requests for DTC P1521
Help Request Posted
1999 Mazda 626 ES 2.5L Hesitation VIN: 1YVGF22D6X
P1521: Vss out of range during koeo self test. ... drive was fine. Car sat for a couple of hours. Attempted final test drive and experienced the following transmission problem. FWD clutch stuck on - in Reverse, trans was locked - in Neutral & all Drive gears, trans was in Drive. Reverse trans locke...
January 11, 2021